This audio excerpt of MONITOR is from the 1956 first anniversary broadcast. When Monitor began on June 12, 1955 at 4pm, the first hour of the program was simulcast on NBC-TV. That initial June 12 broadcast lasted eight hours, from 4pm through 12 midnight. Following the Monitor beacon, Morgan Beatty was the first voice ever heard on Monitor. After an introduction by Pat Weaver, news headlines by Dave Garroway and a routine by Bob and Ray, Garroway cued Monitor's opening music remote: live jazz by Howard Rumsey and the Lighthouse All-Stars at the Lighthouse Café in Hermosa Beach, California. It was the first of many jazz remotes in the weeks to come.

1956 Monitor was a U.S. weekend radio program broadcast from June 12, 1955 until January 26, 1975. Airing live and nationwide on the NBC Radio Network, it originally aired beginning Saturday morning at 8am and continuing through the weekend until 12 midnight on Sunday. However, after the first few months, the full weekend broadcast was shortened when the midnight-to-dawn hours were dropped since few NBC stations carried it. https://en.wikipedia.org/wiki/Monitor_(radio_program)