largo
larynx
laser harp
lateral cricoarytenoid muscle
Latin American
lead sheet
lead vocalist
leading note
ledger lines
legato
leitmotif
Léonin and Pérotin (late 12th and early 13th centuries)
libretto
lick
lift
ligature
limiter
line level
Liszt, Franz (1811–1886)
liturgy
Locrian mode
Lombard effect
loop
loudness
loudspeaker
low interval limit
low larynx
LP
Lully, Jean-Baptiste (1632–1687)
lute
Lydian mode
lyre
lyrics