Jazz singer's first attempts to produce a hit (6)
I believe the answer is:
swings
'attempts to produce a hit' is the definition.
I can't judge whether this defines the answer.
'jazz singer's first' is the wordplay.
'jazz' becomes 'swing' (swing is a kind of jazz).
'singer's first' becomes 's' (1st letter of 'singer').
'swing'+'s'='SWINGS'
Can you help me to learn more?
(Other definitions for swings that I've seen before include "Moves back and forth or from side to side while suspended" , "What you might lose on them, you could gain on the roundabouts" , "What you lose on these, you hopefully gain on the roundabouts" , "What you lose on these, you'll gain on the roundabouts" , "Pieces of playground apparatus" .)