Composer gets court decision (7)
I believe the answer is:
verdict
'decision' is the definition.
(verdict is a kind of decision)
'composer gets court' is the wordplay.
'composer' becomes 'verdi' (Giuseppe Verdi 1813-1901).
'gets' is a charade indicator (letters next to each other).
'court' becomes 'ct' (abbreviation used in road names).
'verdi'+'ct'='VERDICT'
(Other definitions for verdict that I've seen before include "Legal finding" , "Result of deliberation" , "where this is delivered" , "The findings of a jury" , "Could be innocent or guilty" .)