Musical entertainment (7)
(Other definitions for concert that I've seen before include "Some entertainment" , "Joint action" , "Harmony of people's opinions, actions or characters" , "Harmony, performance" , "Public performance of music" .)
'musical entertainment' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for karaoke that I've seen before include "Singalong entertainment" , "Singing to background recording" , "Often cringeworthy and drunken singing to a video tape" , "Pub entertainment with singing to backing recordings" , "Entertainment singing to recorded backing tracks" .)
'musical entertainment' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for opera that I've seen before include "musical presentation" , "Eg, Il trovatore" , "Carmen, for instance" , "E.g. Macbeth, Falstaff" , "Musical theatre work" .)
'musical entertainment' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for operetta that I've seen before include "The Mikado or The Gondoliers, say" , "A short or light musical comedy like those of G & S" , "G&S work, perhaps" , "Musical entertainment" , "La belle Helene, say" .)