American singer-songwriter Harry Chapin (1942 - 1981) plays the guitar and sings on stage during a performance, 1970s. (Photo by Hulton Archive/Getty Images)

This looks phenomenal.

Billy Joel, DMC, Pat Benatar Appear in Harry Chapin Doc Trailer

Billy Joel, Darryl "DMC" McDaniels, Pat Benatar and more appear in the new trailer for Harry Chapin: When In Doubt, Do Something, out October 16th. Directed by Rick Korn, the clip opens with Chapin performing his 1974 classic "Cat's in the Cradle."