a quattro mani

== Italian == === Etymology === Literally, “four-handed”. === Adjective === a quattro mani (invariable) (literally) fourhanded (requiring or using four hands) suonare il pianoforte a quattro mani ― to play the piano four hands (figuratively, idiomatic) collaborative, joint (work involving two people) un libro a quattro mani ― a coauthored book (literally, “a fourhanded book”) ==== See also ==== a quattr'occhi === Further reading === a quattro mani (musica) on the Italian Wikipedia.Wikipedia it