Possible Clues:

• Rattle perhaps, in car
• Conductor, as, in parts, employed in underground system
• Are most in favour of a foreign master?
• Most are performed by a skilful musician
• Wizard Communist leader has rest arrested and tortured
• The conductor's card
• Eminent musical composer or conductor
• West's reflective alternative time conductor
• An artist of consummate skill, master
• Musician having ear most developed