How do I solve 14 down in Times Cryptic 29548?

Question

Accepted Answer

14 down reads "Trumpeter is mild, save when on a bender" (5,5 letters); the answer is MILES DAVIS. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Trumpeter is mild, save when on a bender (5,5)

14D — Trumpeter is mild, save when on a bender (5,5) — MILES DAVIS