Melodist scorns idle majority (4)
I believe the answer is:
most
'majority' is the definition.
(most of a group)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for most that I've seen before include "In the highest degree" , "Extremely, very" , "Almost all" , "Kind of commercial pact where two countries agree to treat each other as well as any other" , "Greatest in amount or degree" .)