This is surely Emma Daniels (guitar) and Mother Sally Jones (tambourine) who recorded as the Two Gospel Keys. No?
Ah yes, THE Gospel Keys, here's their entry in Gospel Records 1943-70
THE GOSPEL KEYS
Emma Daniels, v/g; Mother Sally Jones, v/tamb. -1 omit tamb.
December 1945/January 1946
D711 I want my crown -1 Jubilee 2504, Disc 5065
D712 We're gonna have a good time Jubilee 2504, Disc 5065
D713 Precious Lord -1 Disc 5066, Asch LP AA1
D714 You've got to move Jubilee 2503, Disc 5066, Asch LP AA1
This world is not my home Jubilee 2503
That'll teach me to knee-jerk post before finding my copy of the Testament CD. But as I've hauled the Gospel discography off the shelves here's the Clay and Scott sessions:
CLAY AND SCOTT
Clarence Clay, v/acdn; William Scott, v.
Philadelphia, 1st June 1961
Walk all over God's heaven Testament CD 5030
Every knee must bow Testament CD 5030
Wait 'Til I put on my robe Testament CD 5030
Wake up in glory Testament CD 5030
Marching to Zion Testament CD 5030
Jesus met the woman at the well Testament CD 5030
I'm on my way to the Kingdom Testament CD 5030
In that great gettin' up mornin' Testament CD 5030
It was His blood Testament CD 5030
Mother left me standing on the highway Testament CD 5030
Will the circle be unbroken Testament CD 5030
Take your burdens to the Lord Testament CD 5030
Get together with the Lord Testament CD 5030
On the battlefield Testament CD 5030
GOSPEL KEYS
Clarence Clay, v/acdn; William Scott, v.
c. 1962
Wait till I put on my robe Bv LP 1066
Every knee must bow Bv LP 1066
Wake up in glory Bv LP 1066
Trouble don't last always Bv LP 1066
Jesus met the woman at the well Bv LP 1066
In that great getting up morning Bv LP 1066
Oh what a beautiful city Bv LP 1066
Marching to Zion Bv LP 1066
I'm on my way to the Kingdom land Bv LP 1066
The Lord will make a way somehow Bv LP 1066
Walk all over God's Heaven Bv LP 1066
All my sins are taken away Bv LP 1066