Complex sentence: Wiley Laverne "Mack" Self (22 May 1930-14 June 2011) was an American rockabilly singer, songwriter and musician, who recorded for Sun Records in the 1950s and was a member of the Rockabilly Hall of Fame.
Split into simpler sentences: Wiley Laverne "Mack" Self (22 May 1930-14 June 2011) was an American rockabilly singer, songwriter and musician, who recorded for Sun Records in the 1950s. Mack was a well-known singer, songwriter, Sun recording artist, and a member of the Rockabilly Hall of Fame.