Roberta wants to learn to play an instrument, so she calls a music teacher who arrives with his assistant, who begins with a test of solfeggio, but she only knows the notes "B A C" and only repeats those and knows nothing about solfeggio, he tries to make her play the violin and the flute... After a few attempts the impatient teacher shouts at her what the fuck instruments she can play... and she replies "exactly, I can only play the dick"! And she starts to play the teacher's dick like a fife... The assistant who plays the trumpet will join in and in the end Roberta will stand out as an excellent player!