A method, a computer program product, and a computer system for selecting songs using a heart rate change, a blood pressure change, and a facial expression of a listener. A computer receives a song from a music source selected by a listener and determines whether the song is appropriate. The computer starts to play the song, in response to determining that the song is appropriate. A camera connected to the computer detects a facial expression of the listener. The computer determines whether the facial expression is positive. In response to determining that the facial expression is positive, the computer the song in full. The camera connected to the computer detects a heart rate change and a blood pressure change of the listener. The computer tags the song with updated information.