Possible Clues:

• Pit crew? (Note the last four letters in this answer + ...)
• She's nervous in court among odd Scottish players
• Musicians in other cars travelling
• Maestro's group
• Ignoring golf, Roger's chat disturbed group of players
• Band's rearrangement of Hart score
• Using line of torches, tracked people in pit
• Musical group or artist's carrying case
• Group of musicians -- a chorister's lost without one
• Ensemble of players