If music did not exist during the time of the caveman, life could have been so hard to bear minute by minute. Humankind probably created music during a duration of boredom the early people had. Then, music slowly improved in time as music became the entertainment that filled the 16 hours of boredom during the day. Music has now been incorporated in all walks of life. Wherever anyone goes, music is there.
Music is the cherry on top of the sundae.
Music is the spice that makes everything more scrumptious. If not for music, life would just be as tasteless as food without flavor.