I need to know the difference between rhythm, beat and pitch in the song Amazing Grace

Answer 1

First, make sure you are clear on the meaning of each of those terms:

http://www.answers.com/rhythm
See definition 3b.

http://www.answers.com/topic/beat
See definition 2d.

http://www.answers.com/topic/pitch
Scroll down to the noun form (n) and see definitions 8b and c.

Then go through the song line by line and see what you think.

Answer 2

Acrostics for rhythm beat