Free Materials

Free Music Theory Materials:

Four-Note Patterns
These are good for practicing scales on any instrument, or for developing sightreading. They're written in C major (ionian), but should be transposed to other scales and modes (C dorian, C mixolydian, etc.).

Modes:
Bright to Dark
Modes of the major scale are usually learned by their relation to the ionian scale (C ionian = D dorian, E phrygian, etc.). An approach more useful for improvisers is to start each mode on the same note, and compare the resulting textures. This page arranges the seven modes from bright to dark.

Circle of Fifths
The most useful tool for describing how we hear chord progressions. Also essential for understanding how to use common chord substitutions.

 Chord Tone/Key Relationships
As and improviser it's important to build awareness of how notes within a chord relate to the key. Here's how notes of the I-IV-V progression relate.