Country Music Hall of Fame member Porter Wagoner was admitted to a Nashville hospital Friday (July 14) after becoming ill at his home earlier in the day. The specific nature of the Wagoner's illness has not been disclosed, but the 78-year-old singer had been scheduled to perform at the Grand Ole Opry on both Friday and Saturday nights. Wagoner became a member of the Opry cast in 1957 and was inducted into Country Music Hall of Fame in 2002. With flashy rhinestone suits serving as his trademark, Wagoner has enjoyed more than 25 Top 10 hits since scoring his first No. 1 with "A Satisfied Mind" in 1955.