Input (grade 13): Charles Hardin Holley (September 7, 1936 - February 3, 1959), known professionally as Buddy Holly, was an American singer-songwriter and a pioneer of rock and roll.
Output (grade 12): Charles Hardin Holley or Buddy Holly (September 7,1936 - February 3, 1959) was an American rock and roll singer, composer, and musician.