I am a fan of Bach all around, but lately I've become downright hooked on his St. Matthew Passion.
This is a 3 hour gig, by the way. I just listen to bit excerps on the stereo when driving in my car.
Below are a few of many chorals in the piece.
http://www.youtube.com/watch?v=-s6JfNREAgo&feature=related about 10 minutes
http://www.youtube.com/watch?v=B4JYwbWwNSs&feature=fvw about 7 minutes
http://www.youtube.com/watch?v=NSVFQTT9Lww&feature=related about 2 minutes
http://www.youtube.com/watch?v=ScyrmYez6h0&feature=related about 9 minutes
http://www.youtube.com/watch?v=DnZt5iXvGg8&feature=related 6 minutes
http://www.youtube.com/watch?v=iEsjbpnUh1U&feature=related about 4 minutes
And the stultifying last two movements.
http://www.youtube.com/watch?v=CXPpiXdpIq4
Handel, go fly a kite, you're outta here.