Line I understand, provided by one modern composer (6)

I believe the answer is:

ligeti

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'modern composer' is the definition.
'ligeti' can be an answer for 'composer' (I've seen this before). I'm not certain of the 'modern' bit.

'line i understand provided by one' is the wordplay.
'line' becomes 'l' (used when specifying particular lines from a poem).
'understand' becomes 'get' (getting is a kind of understanding).
'provided by' is a charade indicator (letters next to each other).
'one' becomes 'i' (Roman numeral).
'l'+'i'+'get'+'i'='LIGETI'

Can you help me to learn more?

(Another definition for ligeti that I've seen is " Composer whose work Lux Aeterna featured in 2001: A Space Odyssey".)

I've seen this clue in The Times.

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