Wordless part of many songs (5)
I believe the answer is:
intro
(Other definitions for intro that I've seen before include "Nitro (anag.)" , "Opening notes" , "Jazz piece" , "Launch" , "Prelude" .)
I believe the answer is:
intro
(Other definitions for intro that I've seen before include "Nitro (anag.)" , "Opening notes" , "Jazz piece" , "Launch" , "Prelude" .)