This document defines various musical roles such as bass guitarist, cellist, drummer, pianist, trumpeter, and violinist. It also describes singing voice types like tenor, bass, and soprano. Musical terms are explained like orchestra, choir, singer-songwriter, rapper, soloist, and lead singer. Conductor, composer, and DJ roles are outlined. Finally, adjectives to describe music are listed such as catchy, moving, monotonous, and incomprehensible lyrics.