Those are random notes that could make a good poster to remember some basics; it will be updated as I build the “lessons“.
Chords
Triads:
- major: R, M3, P5
- minor: R, m3, P5
- Aug: R, M3, Aug5
- Dim: R, m3, Dim5
- Sus2: R, M2, P5 (M2 replaces M3)
Tetrads:
- 7: R, M3, P5, b7
- MA7: R, M3, P5, M7
- m7: R, m3, P5, b7
- m7(b5): R, m3, b5, m7
- dim7: R, m3, m5, bb7
- m9: R, m3, P5, m7, 9
- 9: R, M3, P5, m7, 9
- add9: R, M3, P5, 9
MA13: R, M3, P5, M7, 9, 11, 13 (you can’t play more than six notes on a guitar. Usually, P5 goes away first, then R)
Fretboard
All the notes on your fretboard in standard tuning: (stops at fret 12 since it starts over)

Scales
- major scale: R, M2, M3, P4, P5, M6, M7
- natural minor scale: R, M2, m3, P4, P5, M6, M7
- harmonic minor scale: R, M2, m3, P4, P5, M6, M7
- melodic minor scale: R, M2, m3, P4, P5, M6, M7
- Pentatonic major: R, M2, M3, P5, M6
- Pentatonic minor: R, m3, P4, P5, m7
Major Pentatonic
A as an example – root in pink, 3rd in green, 5th in blue

Minor Pentatonic Scale
A as an example

