Conversation so far:
Who did the first rip off Hound Dog (song)
The first was Smiley Lewis
What song was this first rip off by Smiley Lewis
Play Girl
Who was Play Girl, the first rip off by Smiley Lewis, credited to
credited to D. Bartholomew
What label is Play Girl, the first rip off by Smiley Lewis, on
released by the Imperial Records label by the end of March 1953.

Question: Who else made a riff
Self-contained rewrite: Who else made a rip off Hound Dog (song) besides Smiley Lewis