Of course all of this silliness with actors playing their own instruments was started by Sondheim and his Strumpet With a Trumpet!
der Brucer
Imagine a Doyle "Les Miz" - a baricade littered with smashed strings!
Better yet - the Doyle POTO:
Imagine the phanton loading up his rowboat with his Lyn Larsen LL-324Q:

3 manuals and 24 ranks, 6 tuned percussions
plus traps and Sound Effects (Persian Cymbal, Splash Cymbal, Wind Chimes, Crash Cymbal)
YES, DRs, our very own Lyn Larsen!