The most common and most likely answer to this crossword clue is the 7 letter word POULENC
I've seen this crossword clue in The Guardian
P
O
U
L
E
N
C
More clues leading to the result POULENC
- He wrote notes by page with cryptic clue on
- Composer of number in The Odd Couple
- French composer‘s bird
- Scorer cut leg in sudden attack, missing finish
- Composer to swoop almost over the centre of Smolensk
- Couple arranged to house new Gallic barman
- Composer has piano, and no clue surprisingly
- Disturbed couple imprisoning Northern composer
Buddy explains!
The straight part
We know that "He wrote notes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case he wrote notes = poulenc.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.