Here's a link to a music book that has it ...
http://www.worshipmusic.com/21257.html

and mp3s
http://www.emp3world.com/mp3/29260/Gill%20Scott%20Heron/Grandma's%20Hands
http://www.mp3.com/tracks/305205/dl_streams.html

Good luck ....
t.
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t. cool