more than 2,700 guitar chords with finger placements and audio samples.

the interactive guitar chord compendium. learn to understand guitar chords. multi-functional chord diagrams, chord finder and analyzer (chord namer), chord types and chord progressions in pop/rock/jazz, quizzes on guitar chords.

guitar chord generator and scale calculator. calculate fingerings for any chord on any stringed instrument in any tuning. includes many other useful tools such as chord namer and tab mapper.

learn piano chords - complete overview with pictures of all kinds of piano chords: major, minor, dominant and other categories including notes and fingerings.

musicca enhances your ability to read, write, and play music through effective music theory exercises and interactive tools. for free, forever.

in this tutorial i'll show you how to read and recognize the different types of clefs and how they theoretically move the staff up or down the pitch ladder.

piano keyboard guide.com contains lots of free piano lessons for beginners, intermediate and advanced players. learn to play piano and keyboard here.

chords and scales lookup tool for guitar, piano, bass, ukulele, violin, fiddle, mandolin, and more.

music theory for notes, intervals, scales, modes, chords, circle of 5ths, with midi and mp3 audio, piano, treble and bass clef diagrams in all keys

online guitar books is full of in depth lessons. check out the scale library, arpeggios library as well as lessons on everything from chord construction to improvisation.