Original sentence: He has written dozens of magazine articles and album liner notes, worked for the Smithsonian Institution, and assembled an extensive private archive of Texas musical history.In the late 1950s McCormick "discovered" and recorded musicians like Mance Lipscomb and Lightnin' Hopkins, and reimagined the lives of dead ones, like Robert Johnson and Henry Thomas.Robert "Mack" McCormick (born August 3, 1930 in Pittsburgh, Pennsylvania) is a musicologist and folklorist
Edited sentence: He has worked for the Smithsonian Institution and has assembled one of the most extensive private archives of Texas musical history in existence.He has written dozens of magazine articles and album liner notes.McCormick in the late 1950s "discovered" and recorded musicians like Mance Lipscomb and Lightnin' Hopkins, and reimagined the lives of dead ones, like Robert Johnson and Henry Thomas.Robert "Mack" McCormick (born August 3 1930 in Pittsburgh, Pennsylvania) is a pioneering musicologist and folklorist