Chapman began his Dallas/Ft. Worth career at KLIF in 1959 where he was first a member of "Murphy and Harrigan" then he teamed up with with Jack Woods to form the first "Charlie and Harrigan" team. Chapman was featured on WFAA-TV Channel 8's "Sump'N Else" Show in the mid 1960s From there he joined KVIL-AM in 1960 where he remained for 32 years