M125-129 Guitar Alone
M276-277 Guitar with piano
M292-293 Duets for two plucked instruments
M294-298 Duets with at least one plucked instrument
M330-384 Trios with at least one plucked instrument

Quartets, quintets, sextets, octets, and nonets follow the call number same pattern (M400s, 500s, 600s, 700s, 800s, and 900s).

M1037.4 Concertos with full orchestra
M1137.4 Concertos with string orchestra

M1623 Songs with guitar accompaniment
M1630.18 Rock/pop music collections with guitar chords