In case no one noticed, that is FESTUS HAGAN (co-star as deputy sheriff in GUNSMOKE)doin' the singing.

Ken Curtis was a member of the Sons Of The Pioneers, as well as
a big band singer way back when...

Another member of the SOP was Shug Fisher, who also played bumbling
roles on Gunsmoke...

the Tag ending was omitted above.

TAG:
Yeah, he's Daddy's Little Cowboy,
All tucked away in bed
with his western hat, his six gun-gat
Daddy's cowboy sleepy-head