A professional who plays musical instrument as soloist or as member of musical group, such as orchestra or band, to entertain audience. Responsibilities include:

• Studies and rehearses music to learn and interpret score.
• Plays from memory or by following score.
• May transpose music to play in alternate key.
• May improvise.
• May compose.
• May play instrument to signal activity, such as flag raising, post time, or arrival of dignitaries at sporting or other events.
• May be designated according to instrument played as Calliope Player; Drummer; Harpist; Organist; Pianist; Violinist.
• May accompany soloist or another musician, instrumental and be designated Accompanist.