### Clue: Busy minx, loud rather than hard (5)
### Answer: FUSSY 
 ### Explanation: Definition: Busy
 "hussy"(a minx;a bold or shameless woman) **with** "f"(abbrev. for "forte", the musical direction to play loudly) **replacing**(rather than) "h"(abbrev. for "hard").
Defn. and Answer: Cluttered with too much detail.