Help Me Please - Need This Song For A Funeral

i need to find this song that my aunt wants played at my uncles funeral this monday(10th Oct) but only know one verse - PLEASE HELP!!!

this is the verse...

sitting in a wooden chair, chained up to the wall, noone seems to even care, not a soul at all....

any ideas anyone??

i have some more lyrics

"all i ask of u is, how can u set me free, wont someone please send me liberty"