T's easy to tell a waltz from another type of music. Waltzes are always in three-quarter time.
 Choose the correct version of the combined sentence. (1 point)
 It's easy to tell a waltz; from another type of music, waltzes are always in three-quarter time.
 It's easy to tell a waltz from another type of music; waltzes are always in three-quarter time.
 It's easy to tell a waltz from another type of music, waltzes are always; in three-quarter time.
 It's easy to tell a waltz; from another type of music, waltzes are always in three-quarter time.