A vocal studies program can offer benefits to students who wish to pursue careers as singers or musical artists. This type of program can teach students about various techniques, musical styles and underlying principles that can improve their abilities.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.