Yes, fine .. even a purist like me would include a lot of film music under the classical moniker ... Lord of the Rings - YES!! .... so carry on.
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This morning, before a 6 hour hike ....

Haydn Piano Variations in f-minor. I don't normally like Haydn much, finding him a bit too light-hearted and depressingly jolly ... but this is a very serious and deeply felt piece indeed, exquisitely played for me by Nikolai Demidenko on Hyperion.