Quaker Records. An article in "Band Leaders Magazine, dated January 1946 said: "Mac McGuire gives out with his cheery good mornings, weather reports, records and commercials from 7:05 am to 7:45 am and from 8:15 am to 8:55 am, six days a week over WCAU, CBS affiliate. in Philadelphia, PA" Mac McGuire and the Harmony Rangers was a Country & Western group that performed on WIP Radio, Philadelphia. For quite awhile, the show was carried over the Mutual Radio Network. They were WIP & Mutual's answer to WFIL & ABC Radio's Sleepy Hollow Ranch Gang. During the summer of 1951, the Harmony Rangers and Mac were on the network six times each week. On Monday, December 24, 1951 we found the Harmony Rangers on WIP Radio from 3:30 to 4 pm. One of their biggest songs was called, “Sundown Lullaby.”