### Clue: Pledge to include artist's style of music (6)
### Answer: GARAGE 
 ### Explanation: Definition: style of music
 GAGE(a pledge/a valuable object deposited as a guarantee of good faith) **containing**(to include) RA(post-nominals for a Member of the Royal Academy of Arts, an artist).
Defn: A genre of electronic dance music originating in the early 1990s.