Song: "Symphony No. 3: II. Lento e largo - Tranquillissimo"
Album: London Sinfonietta - Gorecki - Symphony No. 3
Artist: David Zinman, Dawn Upshaw & London Sinfonietta
This recording was reported to have stopped traffic in Los Angeles when it was played on the radio.
"When the recording was played on public radio station KCRW in Santa Monica, California, enchanted motorists pulled off the freeways to phone in and find out what it was."
Hearing it is powerful enough without knowing the subject matter, but this music connects on a very basic level. I encourage everyone to listen to the entire album and learn as much as you can about the music, the composer and the subject matter. The Wiki Article is a good place to start.
and sometimes to the artist's web site or 
