Poetry 7: Ah, But He Did!

The rhyme scheme is as follows:
A line 1
B line 2
a rhymes with line 1
A line 1 repeated
a rhymes with line 1 & 3
b rhymes with line 2
A line 1 repeated
B line 2 repeated

If only I could
Ease their pain
So many would
If only I could
Find joy, and should,
Could live again
If only I could
Ease their pain.

Ah, but He did
Give life again:
From death we're rid!
Ah, but He did
By grave's loosed lid,
From Eternity's bane
Ah, but He did
Give life again!