It's an easy song, and it was nice not to sing alone.

It had been hard enough to sing to Che alone!

I do not much speak the tongue, let alone sing in it!

For people love to sing if they don't have to sing alone.

I've said not a word, let alone sung one.

All church musicians should be afforded opportunities to sing or play alone, with others listening.

A teen-age girl sings alone in what looks like a legislative chamber: "I am the future of the world."

Night time is the best time to hear the nightingale - when it sings alone.

Usher is shown donning black clothing and sings alone in a dark room.

Once men sang together round a table in chorus; now one man sings alone, for the absurd reason that he can sing better.