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The ShredQuarters 🎸 Professor Shred | Guitar Lessons, Theory & Chaos
Welcome to The Shredquarters — a villain’s lab of guitar mastery! Unlock the theory. Unleash the fury.

I teach players how to shred with precision, master theory, and melt faces.

Counterpoint lab: can you follow two melodies at once?Try this on a keyboard, with one line in each hand. Middle C is C4...
10/13/2026

Counterpoint lab: can you follow two melodies at once?

Try this on a keyboard, with one line in each hand. Middle C is C4; C5 is the C one octave above it.

Set a metronome to 60 BPM in 4/4. Play each pair together and hold it for two beats:

• Bar 1, beats 1–2: C4 below C5
• Bar 1, beats 3–4: D4 below B4
• Bar 2, beats 1–2: E4 below G4
• Bar 2, beats 3–4: C4 below C5

Learn each line separately first:
Lower: C4–D4–E4–C4
Upper: C5–B4–G4–C5

At every change, one line rises while the other falls. That is contrary motion. Listen once for the lower melody, then again for the upper melody while both are sounding.

The intervals from lower to upper are an octave, a major sixth, a minor third and an octave. All four are consonant in this two-part setting.

New to two voices? Combine only the first two pairs slowly, then add the second bar. Keep the sustain pedal off so old notes don’t blur the next pair.

Advanced extension: give a dissonance a clear route.

In a separate bar, hold C4 for all four beats. Above it, play E4–F4–G4–E4, one note per beat. F4 makes a perfect fourth above the bass on beat 2. It passes by step from E4 to G4, creating a brief passing dissonance between consonances.

Hear the moving line alone, then with C4 underneath. Track both the melody and the interval it makes with the bass.

Explore the public Counterpoint & Polyphony outline, beginning with “Hearing Independent Voices”:
https://www.professorshredhq.com/academy/lab/counterpoint-polyphony

The first module is free with a Professor Shred account; sign in to start.

Learn, hear, and apply music theory, harmony, rhythm, and musicianship through Professor Shred Academy and interactive tools. Start the Music Fundamentals path free.

Composition lab: how far can one small idea travel?A motif is a short musical idea you can recognize when it returns. Tr...
10/13/2026

Composition lab: how far can one small idea travel?

A motif is a short musical idea you can recognize when it returns. Try developing this four-note seed in two different ways.

Use any pitched instrument. Set a metronome to 60 BPM in 4/4, one click per quarter-note beat. Play one note on each click:
C–E–D–G

Keep those notes within one octave: rise from C to E, step down to D, then rise to G.

1. Preserve the exact intervals.
Move every note up two semitones:
D–F♯–E–A

Both versions rise a major third, fall a whole step, then rise a perfect fourth. This is exact transposition. The rhythm and every pitch distance stay intact.

2. Stay inside C major.
Move each note up one place in the C-major scale:
D–F–E–A

C becomes D, E becomes F, D becomes E, and G becomes A. The opening third is now minor: D to F. Repeating the motif this way creates a diatonic sequence. Its scale-step pattern stays recognizable while some interval sizes change.

New to this? Alternate C–E with D–F first. Then compare D–F with D–F♯. Take your time hearing that one-note difference before playing all four notes.

Advanced composition test: build two four-bar phrases. Each four-note group fills one bar, one note per beat.

Phrase A:
• C–E–D–G
• D–F–E–A
• E–G–F–B
• C in the next octave, held for all four beats

Phrase B:
• C–E–D–G
• D–F♯–E–A
• E–G♯–F♯–B
• The same high C, held for all four beats

Keep the tempo, rhythm, register and volume the same. Phrase A moves through C major; Phrase B moves the original motif up a whole step each time before the shared ending.

Record both. Which continuation suits the piece you want to write? A changed pitch outside the starting scale can add color without automatically establishing a new key.

Explore the public Composition Lab outline, including “The Musical Seed” and “Melody That Goes Somewhere”:
https://www.professorshredhq.com/academy/lab/composition-lab

Lesson access requires sign-in and the appropriate Academy membership.

Learn, hear, and apply music theory, harmony, rhythm, and musicianship through Professor Shred Academy and interactive tools. Start the Music Fundamentals path free.

Bass lab: give every note a clear ending.Set a metronome to 60 BPM, one click per quarter-note beat. Use the open A stri...
10/13/2026

Bass lab: give every note a clear ending.

Set a metronome to 60 BPM, one click per quarter-note beat. Use the open A string on a bass in standard tuning. Count evenly:
1 & 2 & 3 & 4 &

1. Long notes: pluck on each numbered beat and let the note ring until the next click.
2. Short notes: keep those same four plucks, but stop each note on the following “&.” Stay silent until the next numbered beat.

To stop the open string, gently rest a plucking-hand fingertip against it without plucking again. Keep the unused strings quiet too.

In the short version, each eighth note is followed by an eighth-note rest. The silence has a precise place in the count.

New to bass? Start with one pluck on beat 1, stop it on beat 2, and count the rest of the bar silently. Repeat before adding more attacks.

Intermediate challenge: make beats 1 and 3 long, and beats 2 and 4 short. Then reverse the pattern. Keep the attack volume and tempo steady while the note lengths change.

Advanced control test: count straight sixteenths, “1 e & a 2 e & a 3 e & a 4 e & a.” Keep plucking only on the numbers.
• Bar 1: stop each note on “e.”
• Bar 2: stop each note on “&.”
• Bar 3: stop each note on “a.”

Keep all four syllables evenly spaced within each beat. Your note endings move; your attacks stay in place. Record the three bars and listen for clean stops, steady starts and silence without stray-string noise.

Explore Bass Groove & Time in Professor Shred Academy, including “A release is an event too” and “Same attacks, a different pocket”:
https://www.professorshredhq.com/academy/lab/bass-groove-time

Learn, hear, and apply music theory, harmony, rhythm, and musicianship through Professor Shred Academy and interactive tools. Start the Music Fundamentals path free.

Guitar lab: hear the destination before you bend.In standard tuning, use the G string:• Fret 7 = D• Fret 9 = EPlay the E...
10/12/2026

Guitar lab: hear the destination before you bend.

In standard tuning, use the G string:
• Fret 7 = D
• Fret 9 = E

Play the E at fret 9, then the D at fret 7. Listen to the distance between them.

Now fret 7 with your ring finger, supported by the middle and index fingers behind it. Pick D and bend the string until its pitch matches that E. Your finger stays at fret 7; the bend raises the pitch by two semitones.

Hold the E steady, mute the string, then relax the bend. Keep the unused strings quiet. Compare with the fretted E again after each attempt.

New to bending? Start with a smaller target: D at fret 7 up to Eâ™­, the pitch at fret 8. That is a one-semitone bend. Work comfortably, pause between attempts, and stop if anything hurts.

Advanced control test: make the target your starting note.

At 60 BPM, one click per beat:
1. With the string muted, pre-bend fret 7 to the E target.
2. Pick on beat 1 and hold E until the beat-2 click.
3. Then release smoothly, reaching the original D on beat 3.
4. Mute on beat 4.

The first sound should already be E. Record a few attempts and check the opening pitch, the return to D, and any stray-string noise. Leave vibrato out while you check those arrivals.

Put the bend into a musical phrase with “Reach the fifth, then rest” in Professor Shred’s public Lick Vault:
https://www.professorshredhq.com/academy/lick-library/g-fifth-bend?practice=1

Learn, hear, and apply music theory, harmony, rhythm, and musicianship through Professor Shred Academy and interactive tools. Start the Music Fundamentals path free.

Rhythm lab: make the accents travel across the barline.Set a metronome to 60 BPM, one click per quarter-note beat. In 4/...
10/12/2026

Rhythm lab: make the accents travel across the barline.

Set a metronome to 60 BPM, one click per quarter-note beat. In 4/4, count straight eighth notes:
1 & 2 & 3 & 4 &

Tap every syllable evenly. Keep your foot on the four numbered beats.

Start here: make these taps louder:
• Beat 1
• The & after 2
• Beat 4

Repeat that bar. The accents divide its eight eighth notes into 3+3+2. Keep the other taps soft and every eighth note the same length. If that is new, stay with this one-bar groove first.

Advanced challenge: keep an accent every THREE eighth notes, continuing across the barline. Count 4/4 all the way through. Your accent map is:
• Bar 1: 1, & after 2, 4
• Bar 2: & after 1, 3, & after 4
• Bar 3: 2, & after 3
• Next accent: beat 1 of bar 4

Eight groups of three eighth notes fill three bars of 4/4. That is why the accent cycle meets the opening downbeat again after three bars. Keep all the quieter eighth notes going between accents.

Composition test: use one repeated note, muted chord or drum sound. Record three bars with the 3+3+2 accents resetting each bar, then three bars with the continuous groups of three. Give each version a clear arrival on beat 1 of its fourth bar. Listen for how the second version stretches the phrase across the barlines.

Explore Rhythm Lab, Advanced Rhythmic Displacement and Composition Lab in Professor Shred Academy with a free 7-day Pro preview:
https://www.professorshredhq.com/try-pro?utm_source=facebook&utm_medium=organic_social&utm_campaign=practice_oct12&utm_content=rhythm_displacement

No credit card or automatic billing. Your week starts after sign-in; one learner trial per account. Afterward, you return to Free and keep your progress.

No credit card. No automatic billing. Your progress stays. Open one email link and start learning immediately.

Advanced harmony lab: keep the guide tones, change the dominant.Compare these two routes to C major, four beats per chor...
10/12/2026

Advanced harmony lab: keep the guide tones, change the dominant.

Compare these two routes to C major, four beats per chord:
• Dm7 → G7 → C
• Dm7 → D♭7 → C

This is a tritone substitution: Dâ™­7 replaces G7, whose root is a tritone away.

Why can it work? The third and seventh are the guide tones that help define each dominant chord:
• G7: B and F
• D♭7: F and C♭

On an equal-tempered instrument, Câ™­ and B sound at the same pitch. Those two guide tones trade jobs while the bass changes.

Keyboard test, with middle C named C4:
• Dm7: left hand D3; right hand F3–C4
• G7: left hand G2; right hand F3–B3
• C: left hand C3; right hand E3–C4

For the second pass, keep the right hand exactly the same and replace G2 with Dâ™­3. In Dâ™­7, spell that B3 as Câ™­4. These are sparse voicings with the fifths omitted.

Listen separately to the descending bass D–D♭–C, F falling to E, and B/C♭ rising to C. The substitution changes the route while preserving those two semitone resolutions.

Go deeper: sustain a melody G above the dominant. Over G7, it is the root. Over D♭7, it becomes the ♯11. The same melody note now has a different harmonic role. Check the tune's melody before deciding that a substitute fits.

Explore Jazz Harmony and Jazz Guide Tones in Professor Shred Academy with a free 7-day Pro preview:
https://www.professorshredhq.com/try-pro?utm_source=facebook&utm_medium=organic_social&utm_campaign=trial_sprint_oct09&utm_content=tritone_sub_oct12

No credit card or automatic billing. Your week starts after sign-in; one learner trial per account. Afterward, you return to Free and keep your progress.

No credit card. No automatic billing. Your progress stays. Open one email link and start learning immediately.

Can you remember a melody after the sound stops?Try this two-minute ear-and-memory exercise on a pitched instrument. Cho...
10/11/2026

Can you remember a melody after the sound stops?

Try this two-minute ear-and-memory exercise on a pitched instrument. Choose a comfortable octave.

1. Play C–D–E–D, one note per beat at a slow, steady pace.
2. Stop playing. Hum the same four notes back, keeping their rhythm.
3. Wait four silent beats, then play the phrase from memory. Check against the original.

Listen for the shape: up, up, down. If the whole phrase slips away, start with C–D, then add E–D. A quiet hum is enough; keep it in a comfortable range.

Already comfortable? Start on G and recreate the same spacing by ear before checking the answer: G–A–B–A. The first two moves are whole steps upward, followed by one whole step down.

Finish by changing only the last note of your original phrase from D to C: C–D–E–C. Play both endings. Which sounds more settled to you?

Explore Professor Shred Academy:
https://www.professorshredhq.com/academy?utm_source=facebook&utm_medium=organic_social&utm_campaign=practice_oct11&utm_content=melody_memory

Build practical music-theory, harmony, rhythm, ear-training, and songwriting skills through guided labs, feedback, retries, and hands-on application.

Piano lab: change the chord without making your whole hand jump.Play these three-note shapes with your right hand, readi...
10/11/2026

Piano lab: change the chord without making your whole hand jump.

Play these three-note shapes with your right hand, reading each from low to high:
• C major: C–E–G
• F major: C–F–A
• G major: B–D–G
• C major: C–E–G

Start with middle C for the first chord. For F, keep that C and move E up to F and G up to A. For G, use the B just below middle C, then D and G above it. Return to your starting C–E–G.

On its own, C–F–A is F major in second inversion; B–D–G is G major in first inversion. Same chord tones, rearranged to keep the shapes close.

New to chords? Practice only C–E–G to C–F–A, without the pedal. Find each shape slowly before adding a steady beat.

Already comfortable? Play the full loop, four beats per chord at 60 BPM. Add single C, F, G and C bass notes with your left hand. Listen to the top line: G–A–G–G. Keep it clear without pounding the inner notes.

Explore Professor Shred Academy:
https://www.professorshredhq.com/academy?utm_source=facebook&utm_medium=organic_social&utm_campaign=practice_oct11&utm_content=piano_voice_leading

Build practical music-theory, harmony, rhythm, ear-training, and songwriting skills through guided labs, feedback, retries, and hands-on application.

Can you fit two notes into a beat, then three, without speeding up?Set a metronome to 60 BPM, one click per quarter-note...
10/11/2026

Can you fit two notes into a beat, then three, without speeding up?

Set a metronome to 60 BPM, one click per quarter-note beat. Tap your foot with each click.

1. Clap once on every click for four beats.
2. Clap twice per beat for four beats: “1 & 2 & 3 & 4 &.”
3. Clap three times per beat for four beats: “1-trip-let 2-trip-let 3-trip-let 4-trip-let.”

Keep the syllables evenly spaced within each beat. The number lands on the click every time. Your foot keeps the same speed while your hands change subdivision.

New to this? Practice each step separately. If three claps make your foot speed up, stop clapping and find the clicks again.

Already comfortable? In 4/4, alternate one bar of eighth notes with one bar of eighth-note triplets. Use a single comfortable note on your instrument. Keep the volume even, and record four bars to check that the next “1” still lands with the metronome.

Two equal parts and three equal parts give the same beat a different feel. Hear the change before adding a melody.

Click here to try Pro free for 7 days:
https://www.professorshredhq.com/try-pro?utm_source=facebook&utm_medium=organic_social&utm_campaign=trial_sprint_oct09&utm_content=two_vs_three_oct11

No credit card or automatic billing. Your week starts after sign-in; one learner trial per account. Afterward, you return to Free and keep your progress.

No credit card. No automatic billing. Your progress stays. Open one email link and start learning immediately.

Why does your guitar shape change at the B string?Standard tuning has one exception: G to B is a major third. The other ...
10/10/2026

Why does your guitar shape change at the B string?

Standard tuning has one exception: G to B is a major third. The other neighboring string pairs are perfect fourths. That changes the shape, even when the interval you want stays the same.

Try these two perfect fifths, one note at a time:
• A → E: D string fret 7, then G string fret 9
• D → A: G string fret 7, then B string fret 10

On the first pair, the higher note is two frets farther along. Across G–B, it needs three. Same interval; different shape.

New to intervals? Repeat just the first pair slowly. Say “root, fifth” as you play. You can move your hand between notes; no forced stretch needed.

Already comfortable? Move each pair up two frets and name the new notes before playing. Answers: B–F♯ and E–B.

Lab assignment: open Professor Shred’s Interval Mapper, set Point 1 to “1 · Root” and Point 2 to “5,” then explore another position. Learn the relationship as well as the grip.

Practice one Point 1 to Point 2 guitar interval-function relationship at a time, then randomize roots, starting functions and neck positions to build real-time fretboard navigation.

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