History
Beautiful music initially offered soft and unobtrusive instrumental selections on a very structured schedule with limited commercial interruptions. It often functioned as a free background music service for stores, with commercial breaks consisting only of announcements aimed at shoppers already in the stores. This practice was known as storecasting and was very common on the FM dial in the 1940s and 1950s.
Many of these FM stations usually simulcast their AM station and used a subcarrier (SCA), to transmit a hitch-hiker signal to a store receiver by subscription. The signal was usually a slow-moving audio tape of 'background music' or Muzak-type service, which was independent of the simulcast AM signal.
Some FM stations made more income from these music subscriptions than from their main programming. WITH-FM, in Baltimore, Maryland (1950s and 1960s), had to keep its FM carrier on the air until 2 a.m. for restaurant subscribers, and could not sign-off the main FM carrier until that time and thus had to run a repeat of its previous day's evening concert on its main FM program line.
Read more about this topic: Beautiful Music
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