This Johnny Otis-penned ballad was introduced by the Detroit-based Royals. Hank Ballard would join the group in 1953, followed by a name change to The Midnighters in 1954.
The original single was issued on Federal 12064 – Every Beat Of My Heart (Johnny Otis) by The Royals. YT
Best-known from the popular 1961 Gladys Night & the Pips version, listen here: