The Blue Moon Boys The Blue Moon Boys The Blue Moon Boys were a band formed by Elvis Presley, guitarist Scotty Moore and bassist Bill Black. The group members were introduced by Sun Studio owner Sam Phillips in 1954, except for D.J. Fontana, who joined the group during a Louisiana Hayride tour in 1955. On July 18, 1953, Elvis Presley recorded a single in the studio as a gift for his mother's birthday, the Ink Spots' "My Happiness", with "That's When Your Heartaches Begin" on the flipside. Presley's recording was managed by Phillips' secretary, Marion Keisker, who also kept a demo recording for the
Recording studio a signal from one or more of the microphones in the studio could be routed to the loudspeaker in the echo chamber; the sound from the speaker reverberated through the chamber and the enhanced signal was picked up by the microphone at the other end. This echo-enhanced signal—which was often used to 'sweeten' the sound of vocals—could then be blended in with the primary signal from the microphone in the studio and mixed into the track as the master recording was being made. Special equipment was another notable feature of the "classic" recording studio. The biggest studios were owned and