Lloyd "Tiny" Grimes (July 7, 1916 – March 4, 1989) was an American jazz and R&B guitarist. He was a member of the
Grimes was born in Newport News, Virginia, United States, and began his musical career playing drums and one-fingered piano. In 1938 he took up the electric 4-string tenor guitar. In 1940 he joined the Cats and the Fiddle as guitarist and singer. In 1943 he joined the Art Tatum Trio as guitarist and made a number of recordings with Tatum.
After leaving Tatum, Grimes recorded with his own groups in New York and with a long list of leading musicians, including vocalist
In the late 1940s, he had a hit on a jazzed-up version of "Loch Lomond", with the band billed as Tiny "Mac" Grimes and the Rocking Highlanders and appearing in kilts. This groups included top tenor saxman
With Paul Williams, he co-headlined the first Moondog Coronation Ball, promoted by Alan Freed in Cleveland, Ohio, on March 21, 1952, often claimed as the first rock and roll concert. In 1953 he may have played on The
Grimes died in March 1989, in New York, from meningitis, at the age of 72.