Cello Concerto No.1 in A minor (1) Camille Saint-Saens
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Ludovico Einaudi: In A Time Lapse - an album guide
It's perhaps a little ambitious to think that Einaudi could encapsulate the song's title inside four and a half minutes, but he has a good go. Magical xylophone kicks it off before the piano comes in with a simple melody, but it really opens up when the strings arrive about a third of the way through.