Amadeus, who shouldn't be called a pack of wolves! (6)
I believe the answer is:
mozart
'amadeus who shouldn't be called a pack of wolves' is the definition.
The definition suggests a singular noun which matches the answer.
This is all the clue.
Can you help me to learn more?
(Other definitions for mozart that I've seen before include "Greyfriars schoolboy" , "Wolfgang Amadeus . . . . . . 18th century Austrian composer" , "Austrian composer and child prodigy" , "Wolfgang Amadeus . . . . . . , great Austrian composer" , "Eine kleine Nachtmusik composer" .)