Methods are provided for adjusting a music output of a vehicle audio system based on driver movements performed while listening to the music. In one embodiment, a music output of a vehicle infotainment system is adjusted responsive to monitored user behavior inside a vehicle, the monitored user behavior manifesting a user mood. In another embodiment, the music output is adjusted based on each of a user mood and a control gesture, wherein both the user mood and the gesture are identified based on user information gathered from vehicle biometric sensors and cameras while music is playing inside the vehicle.