Charlie Ahearn centers this show around in the 25th Anniversary of his movie Wild Style and his book Wild Style: The Sampler.

Charlie Ahearn invites Okechukwu to represent Nigerian hip hop on this special segment. Oke's "Brother" floats over a jam by Nigerian colossus Fela Kuti, and he reflects on his country's profound music heritage.

As leader of The Bomb Squad, Hank was one of the chief architects of their revolutionary sonics.

Rammellzee made a surprise visit to the Clocktower in 2005 to visit host Charlie Ahearn and to rock his street intellectual wild style MC thing live for the radio. Hear him discourse on Iconoclast Panzerism, Gothic Futurism.

In addition to teaching at the Scratch Academy (founded by Reg E. Gaines), Grandwizzard Theodore still finds time to hold down spots across the city and work on his upcoming album, Hip Hop Headz.

Charlie Ahearn with the great Jazzy Jay, one of Afrika Bambaataa's early Zulu Nation Djs. (He worked on Bam's hit "Planet Rock.")

This is Wild Style filmmaker Charlie Ahearn's introduction to his history of hip-hop with Grandmaster Caz.

Charlie Ahearn brings D.O.A.--"the human beatbox"--to the Clocktower, where the unique vocal percussionist creates an astonishing range of sounds, from electronic blips and screeches to hilarious send-ups of classic hip-hop and funk.

Perhaps the most beloved figure in hip-hop around the globe, Afrika Bambaataa celebrated his 30th anniversary with Charlie Ahearn. Expect everything from James Brown to bangra to Burt Bacharach.

The clown prince of hip-hop kicks off this live session with Charlie Ahearn by telling tales of recent deejay adventures from partying with Will Smith in Hollywood to playing the Playboy mansion for Hugh Hefner.