 The group became a popular attraction in southern California, appearing on bills with stars such as Fats Domino, Percy Mayfield and T-Bone Walker.The Medallions performed for the eleventh famed Cavalcade of Jazz concert held at Wrigley Field in Los Angeles which was produced by Leon Hefflin, Sr. on July 24, 1955.Also featured Big Jay McNeely, Lionel Hampton and his Orchestra, The Penguins and James Moody and his Orchestra.