Casper the bard
   Gaston Casper’s horse
   Mite the drummer
   Jethro the (dead) flustist
   Vern the bartender
   Molly the barmaid
  assorted patrons
  the bony-handed badguy who sucks instruments into dust
  Navas the witch
  Zirak the cat
  Lenka the girl who changes into a wolf
  Border bandits/border guards

Navas has a special connection with the Inn or the music from the Inn
We know that the badguy has returned, so he terrorized before
Lenka will eat humans
Casper has a special acquiantance who gave him a nice war horse and a spiffy sword
The kingdom is next to a different kingdom that is at war and people are fleeing the war zone