is playing piano
A menina que está tocando piano se chama Akiko.
The girl playing the piano is called Akiko.
Who is playing the piano?
A menina que está tocando piano é minha irmã.
The girl playing the piano is my sister.
Quem está tocando piano na sala de estar?
Who is playing the piano in the living room?
O homem atrás deles está tocando piano.
The man behind them is playing the piano.
Someone is playing the piano.
Quem está tocando piano na sala?
Who is playing the piano in the room?