Noun
bass guitarist (plural bass guitarists)
Someone who plays, or performs on, the bass guitar.
I was training to be a lawyer... I was president of the law society at Glasgow University, and my bass guitarist was my secretary of my law society; the lead guitarist and writer worked at the law firm that I worked. Gerard Butler
I set myself up to be a bass guitarist and bass players get a lot more work than people like me. John Entwistle