mCircle is a free javascript Online application. It was designed to assist the student in graphing structures over the circle of Vths and finding all possible subsets contained in a main structure, such as finding upper structure triads. mDecks
Circle of fifths in all 12 keys
A free downloadable pdf file. mDecks
All Guitar Chords - Chord finder, including split chords and chord variations. Also features standard and exotic guitar scales.
Twelvemonth Music - Learn Music. Learn to play guitar.
Guitar Secrets - Free Guitar Lessons, Lead Guitar Made Easy.
TAXI’s Music Biz FAQs contain songwriting tips music-business information, and articles on Film & TV Music placement.
Jazz Guitar Chords Books - Books in Jazz guitar chords for many different levels.
Music Theory Books - Recommended music theory books.
mDecks Series
Technique
Improvisation
Software