Then you can listen to the tape, learn from your mistakes or even play duets with yourself.
He began learning the piano at the age of five, training by playing duets with his grandmother before taking formal lessons.
They rode west again, playing brief duets, enjoying themselves.
They play romantic duets; she on the cello and he on the musical saw.
Secretly she was very proud to play duets with him.
He helped inspire me to start practicing again, and soon we were back playing duets.
They were playing duets by the age of 5.
We played silly duets on the piano - Tracy being a quick musical study.
The brothers played celebrated duets in their youth, but had a severe falling-out and for years were not on speaking terms.
Then some one person must write up the results (even multi-author publications are not written by people playing duets on the typewriter!).