Composer frequently heard by another composer (9)
I believe the answer is:
offenbach
'composer' is the definition.
(I know that Offenbach is a composer)
'frequently heard by another composer' is the wordplay.
'frequently heard' becomes 'offen' (sounds like 'often').
'by' means one lot of letters go next to another.
'another composer' becomes 'bach' (Johann Sebastian Bach. I am not sure about the 'another' bit.).
'offen'+'bach'='OFFENBACH'
Can you help me to learn more?
(Other definitions for offenbach that I've seen before include "Cancan composer" , "another" , "Fr. operetta composer" , "Orpheus in the Underworld composer" , "One composer" .)