Possible Clues:

• They get beaten up in a mine skirting motorway
• Orchestral drums
• Monkey stopping to beat one set of drums
• They're hit in a mine on the way up, Mike admitted
• Part of orchestra's time cut short, non-stop panic follows
• This setter is breaking unsuitable lifting instrument
• Gunshot providers in “Peter and the Wolf”
• Section of orchestra in main pit, possibly
• Tiny fellow, almost 11, making contribution to orchestra
• Some elements of orchestra may be nervous, almost taking pot