Two girls dance as a small band jams on their brass instruments .
There is more than one person playing a brass instrument .
Two girls dance as a small band jams on their brass instruments.
There is more than one person playing a brass instrument.
Two girls shows more than one person, and jams on their instruments is a method of playing an instrument.
Two girls shows more than one person , and jams on their instruments is a method of playing an instrument .