Does the questioner want to ask "Is it normal for the music to stop when the reverse gear is engaged?" normal. It is normal for the music in the car to stop when the car is in reverse gear. Gear refers to the transmission, which is used to change the torque and speed of the engine crankshaft to adapt to the different requirements for drive wheel traction and vehicle speed under different driving conditions such as starting, accelerating, driving, and overcoming various road obstacles.