The song you are saying is by lush is indeed NOT by lush. an e-mail was sent to the guy that did some of the scores for the solaris movie, and he said it is a song by Brian Wayy called Fragile. Many have said it is that lush track...and others have also said it is a Moby track called In My Heart. they all sond a like due to the arpegiation of the notes, but it is indeed an original composed by Brian Wayy entitled FRAGILE
;)