The minor in music allow you to infuse music into whatever major you pursue, and regardless of career path.
It allows you to personally customize your education, letting you grow as you discover new interests and expand your intellectual journey. This signals to your prospective employers that you have engaged in a formal academic inquiry in more than one area and helps to distinguish you from other job candidates without the minor or concentration.
For example, a business major with a music minor helps prepare you for a career in businesses that are involved in the arts. A child study major who minors in music develops a background that can be used when teaching music or arts in the classroom.