Meditation (instrumental interlude from the opera "Thäis")
Music by Jules Massenet
Arranged by Laurindo Almeida (available from Mel Bay in "The Laurindo Almeida Anthology of Guitar Solos")

One of the most covered, transcribed and arranged pieces in all classical music judging from the sheer number of recordings I found on Itunes.

This is mostly as Almeida arranged it. I've changed a couple things here and there, mostly in the bass. His arrangement takes more into account the fact that a solo guitar doesn't have a fraction of the sustain of a violin and orchestra. So in many places he adds bass notes that I don't think are necessary. And...