Handel - Messiah - 22 Behold The Lamb - SATB

If you want to learn to sing the other choir voices for this song, you can practice them by following the training tracks below:

[garyaj]

Because in my experience piano is best for note-bashing. Other instruments tend to obscure the notes. And it's a robot playing the notes, not a human. Hence no expression, no nuance, just the notes.