From the category archives:

chords

The dominant seventh chord (C7, G7, Ab7 etc.)

by Bill on January 13, 2010

Really Basic Harmony, Part 3

by Bill on January 11, 2010

Comps for pop piano

by Bill on January 10, 2010

Diminished chords

by Bill on January 10, 2010

Really Basic Harmony - Part One

by Bill on January 6, 2010

Minor chords in major keys

by Bill on July 22, 2009

Understanding intervals

by Bill on June 24, 2009