was playing the piano
He played the piano by ear.
Él tocaba la guitarra y ella tocaba el piano.
He played the guitar and she played the piano.
Ella tocaba el piano en ese momento.
She was playing the piano at that moment.
Ella podía cantar todas las canciones de Schubert mientras tocaba el piano.
She could sing all of Schubert’s songs while playing the piano.
Él tocaba el piano y ella cantaba.
He played the piano and she sang.
Tom cantó mientras Mary tocaba el piano.
Tom sang while Mary played the piano.
Ella tocaba el piano con entusiasmo.
She played the piano with enthusiasm.
He played the piano.