The most common and most likely answer to this crossword clue is the 6 letter word HANDEL
I've seen this crossword clue in The Guardian
H
A
N
D
E
L
More clues leading to the result HANDEL
- Composer’s name announced
- Composer needing help with English language initially
- Composer is a crank, so they say
- Pass the Spanish guy who scored
- Composer‘s name called out
- An influence on the Spanish composer
- Ovation for the Spanish composer
- Shostakovich and Elgar sheltering one of their ilk
- Round of applause – the Spanish composer
- Composer to deal with sounds
Buddy explains!

The straight part
We know that "composer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case composer = handel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.