Case: it involves singular person on the fiddle?

• Helpful first violinist?
• Tuba player, e.g
• Tuba player, e.g.
• Someone who plays a musical instrument (as a profession)
• Fan must start in line to see player
• Band member
• One who plays without vocals

Wiktionary Word definitions in Wiktionary
n. One who plays a musical instrument, as distinguished from a vocalist

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ All the instrumentalists, of course, weave solos through this fabric of sustained notes, but the focal point is Threadgill. ▪ First, the ballet livrets of this period treat the instrumentalists as members of discrete groups. ...

WordNet Word definitions in WordNet
n. someone who plays a musical instrument (as a profession) [syn: musician , player ]