Guitar
On the guitar, six strings give the chord room to breathe — some positions use them all, others ask you to mute the lowest ones.
Pick a chord to start — every page has shapes, fingerings, a scale map and audio.
Chords
C Cm C7 Cm7 Cmaj7 C# C#m C#7 C#m7 C#maj7 D Dm D7 Dm7 Dmaj7 D# D#m D#7 D#m7 D#maj7 E Em E7 Em7 Emaj7 F Fm F7 Fm7 Fmaj7 F# F#m F#7 F#m7 F#maj7 G Gm G7 Gm7 Gmaj7 G# G#m G#7 G#m7 G#maj7 A Am A7 Am7 Amaj7 A# A#m A#7 A#m7 A#maj7 B Bm B7 Bm7 Bmaj7 Grooves
Boom-chuck Samba (thumb bass + finger block, 1 bar) Baião (thumb figure + finger answers) Sertanejo waltz Partido alto (guitar) Cateretê (viola caipira) Slow cateretê (viola caipira) Soleá rasgueado Boom-chicka (country train beat) Bluegrass boom-chuck (alternating bass) 6/8 ballad strum Acoustic blues shuffle strum 12/8 slow-rock / gospel ballad Folk/country waltz (3/4 with lift) Cumbia Offbeat (bajo-contratiempo) Bolero (cinquillo) Son Montuno Guajeo (2-3) Milonga (habanera 3-3-2) Bachata Derecho Merengue (tambora two-beat) Bulería rasgueado (12-beat, por medio) Tangos flamencos rasgueado (4/4) Rumba flamenca (tresillo, gipsy rumba) Sevillanas rasgueado (3/4) Ijexá (finger block on the beat, thumb on the offbeat) Ciranda guitar groove Coco (de roda) guitar groove Chacarera rasgueo (guitar) Zamba rasgueo (guitar) Seguiriya rasgueado (12-beat amalgam) Bossa nova (João Gilberto, 2-bar batida) Bossa nova (chord anticipated every bar) Choro, 6-string 'centro' (thumb on the beat, chord in between) Samba-canção (slow samba, thumb + finger block) Xote (thumb = zabumba, fingers = bacalhau) Forró pé-de-serra (open first bass, accent on beat 2) Frevo / carnival march (thumb on every beat) Bolero as played in Brazil (2 bars) Guarânia (3/4, thumb walks root–third–fifth) Rasqueado / Paraguayan polka (6/8) Samba-rock, Jorge Ben style (1963) 
Chord and Fret