13 down
Pianist
playing
‘Waterfalls’
(4,6)
Pianist playing ‘Waterfalls’ (4,6)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
The definition is Pianist — specifically the legendary jazz stride man Fats Waller. Playing signals an anagram, and the letters of Waterfalls (all ten of them) shuffle perfectly into the answer.