a quattro – Definition in music

Definition of the Italian term a quattro in music:

for four, in four, on four
four together (four performers play or sing the same part in unison)
divided in four (a group of performers written in the same staff divide into four parts instead of continuing in unison)

Language

Italian

Abbreviation

a 4

Alt. abbreviation

a4

Italian musical terms that include a quattro:

a quattro battute – in four beats (with four beats per measure)
a quattro mani – for four hands
a quattro parti – in four parts
a quattro voci – for four voices
passo a quattro – dance for four performers

Music scores that include a quattro:

Johann Sebastian Bach: Prelude and Fugue in C major (1722) Page 3
Richard Strauss: Wiener Philharmoniker Fanfare (1924) Page 2

Italian musical terms related to a quattro:

a – at...
a cinque – for five, in five, on five...
a dieci – for ten, in ten, on ten...
a due – for two, in two, on two...
a nove – for nine, in nine, on nine...
a otto – for eight, in eight, on eight...
a sei – for six, in six, on six...
a sette – for seven, in seven, on seven...
a tre – for three, in three, on three...
quattro – four (number)