Musical scores for No 1s? (4)
'no 1s?' is the definition.
(number one is a type of short haircut)
'musical scores' is the wordplay.
'musical' becomes 'hair' (I've seen this before).
'scores' becomes 'cuts'.
'hair'+'cuts'='HAIRCUTS'
'for' acts as a link.
(Other definitions for haircuts that I've seen before include "Trims" , "Barbers' services" .)
'musical' is the definition.
(I've seen this before)
I don't understand the rest of the clue.
(Other definitions for hair that I've seen before include "Fuzz" , "It helps prevent heat loss through the head" , "Coiffure" , "Thread-like strands on the body" , "Fur - mop" .)