### Clue: Composer's refrain? (5)
### Answer: FALLA 
 ### Explanation: Definition: Composer
  FAL LA(or fal-la/fa-la/fa la, a song refrain sung to meaningless syllables like fa and la.  I'm more familiar with its sibling, "tra-la-la":  it won't be another 6 months before we hear "….'Tis the season to be jolly, Tra-la-la-la-la La-la-la-la….").
Answer: Manuel de, Spanish composer.