Ancillary role of 2 Down

• Someone who plays a musical instrument (as a profession)
• Tuba player, e.g.
• Tuba player, e.g
• Fan must start in line to see player
• One who plays without vocals
• Musician

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1823, from instrumental in the musical sense + -ist .

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

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