How Can I keep From Singing (chrom)

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HOW CAN I KEEP FROM SINGING chrom
19th C. Quaker Hymn
Key: E
Time: 3/4

-4  6    -6*  7* 6  -6*  6    5*
My life flows on in end-less song 
-4  6    7*    -8  7* 7*  -6*
A-bove earth's lam-en-ta-tion 
-4  6  -6*  7*    6    -6*  6   5*
I hear the real though far off hymn 
 5*   -4   6  7* -6*-6* 6
That hails a new cre-a-tion
7*  -8   -8   -8   7* -6* 7*   6
No storm can shake my in-most calm
 -6*  7*  7*   7*  -6*   7*  -8
While to that rock I'm cling-ing
7*   -8   -8 -8 7*-6* 6 5*  -4
It sounds an ech- o  in my soul
-4   6 -6* 7*   -6*  -6*  6
How can I keep from sing-ing