Possible Clues:

• Ancient Briton embracing student is in bower?
• Irishman, perhaps, crossing line is player taking a bow
• Piece of Purcell is taxing musician
• String player, first to join small group
• Musician has a life after bit of gaol time
• One taking bow having put together church roof of lead and slate
• Pablo Casals, e.g.
• Incest upsetting sick musician
• Orchestra member whose instrument rests on the floor
• Musician taking a bow?