Conversation so far:
What album was Hound Dog (song) originally on
Single by Big Mama Thornton
Who released the single Hound Dog by Big Mama Thornton
Peacock Records in late February 1953
What changed from the original release of the Hound Dog (song) single by Big Mama Thornton
Two records were released that were neither cover versions of nor answers to Thornton's release, yet used a similar melody without any attribution to Leiber and Stoller.

Question: What year was this
Self-contained rewrite: What year was it when a record with a similar melody to Big Mama Thornton's Hound Dog was released