Here's a set featuring Adagio for Strings and other orchestral and vocal works by Samuel Barber, performed by the Russian Philharmonic Orchestra, the London Symphony Orchestra, the Joyful Company of Singers and various other artists.

http://www.mediafire.com/file/fz06b4i8as9uif1/SB_-_ASV_Platinum_-_Barber.rar

Thank you Chronos X for these two Barber posts.