Frank Miller "Frankie" Ervin (March 27, 1926 – February 1, 2009) was an American R&B singer who recorded both solo and with vocal groups including Johnny Moore's Three Blazers ("Dragnet Blues", 1953) and The Shields ("You Cheated", 1958).
Ervin was born in Blythe, California. After his father left, his mother moved with her children to Woodville and then Madill, Oklahoma, and encouraged the children (four boys and four girls) to take part in talent shows. They later moved to Ardmore, Oklahoma, where Frankie learned tap dancing, and sang in church. In 1942 he joined his older brothers Jesse and Warren, who were working as a dance act, Skid and Slid, in Fort Worth, Texas. The family moved in 1944 to Los Angeles, where Frankie and Jesse Ervin worked in menial jobs and began performing in clubs on Central Avenue.
In early 1958, record producer George Motola persuaded Ervin to record the song "You Cheated", which had been first recorded by a white vocal group, The Slades. Ervin was backed by an impromptu studio vocal group comprising Jesse Belvin, Johnny "Guitar" Watson, Tommy "Buster" Williams and "Handsome" Mel Williams, and musicians including guitarist René Hall.
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Credited to The Shields - an otherwise non-existent group - and first issued on the Tender label before being reissued by Dot Records, the record reached number 12 on the pop chart later that year, and number 11 on the R&B chart. Ervin toured and appeared on national TV to promote the record, with different singers as his backing vocalists, but the original recording group reconvened in the studio to record less successful follow-ups, including "Nature Boy".
Ervin continued to record occasionally under his own name for small labels in the late 1950s and early 1960s, but with little success. He left the music business in the 1960s, before re-emerging in 1982 with San Francisco band Mitch Woods and his Rocket 88. Following the release of a compilation album of his 1950s material, Dragnet Blues, in 1987, he returned to the recording studio in 1988, to record in Los Angeles with Ernie Freeman's and Charles Brown's bands. He continued to perform from then on, mainly in the San Francisco area. 
A compilation of his recordings from the 1950s to the 1990s, You Cheated, You Lied, was released on his own label, Punchline, in 1996.
He died in San Francisco in 2009, aged 82. (Edited from Wikipedia)