Colourful flyer made audiences come and watch overtures (5)
I believe the answer is:
macaw
'colourful flyer' is the definition.
(I've seen this before)
'made audiences come and watch overtures' is the wordplay.
'overtures' says to take the initial letters.
The first letters of 'made audiences come and watch' is 'MACAW'.
(Other definitions for macaw that I've seen before include "brilliant winger" , "Long-tailed American parrot" , "Colourful creature" , "colourful flyer" , "Tropical bird" .)