One group that never seemed to go out of vogue, although ...

[londonang]

One group that never seemed to go out of vogue, although __________ music never
  changed from the sixties, was the Grateful Dead.
 
  A) its B) their C) there

Question 2

I prefer somewhat more contemporary groups such as the Cranberries and Hootie and
  the Blowfish, but I have to admit, __________ sounds are similar to some old groups that
  John likes.
 
  A) they're B) their C) there

[izzat]

Answer to Question 1

A

Answer to Question 2

B