Impatient to turn up half-hearted rhythmic music (5)
I believe the answer is:
eager
This clue could be a double definition.
'impatient' is the first definition.
(similar in meaning)
'turn up half-hearted rhythmic music' is the second definition.
The answer and definition can be both related to natural events as well as being singular nouns.
Maybe you can see an association between them that I can't see?
'to' acts as a link.
Can you help me to learn more?
(Other definitions for eager that I've seen before include "really keen" , "It's a bore" , "Low platform" , "Agree (anag.)" , "Enthusiastic, full of desire" .)