Possible Clues:

• One's line is broadcast art - must listen in
• Fiddle elite group - the one playing to the audience
• Fan must start in line to see musician
• Musician's popular support involves pieces on a catalogue
• Militants' unrest disturbed one of the band
• Player in support hugging fellows belonging to famous group
• Having influence, one starts to study the oboe, perhaps
• Pawn a table for a musician
• Player’s agent introducing celebrities
• Player, inert, transformed with stimulants