Radio Recorders, Inc. located at 7000 Santa Monica Boulevard, was a recording studio based in Los Angeles, California. Many notable musicians are reported to have been recorded in the studio include Billie Holiday, Charlie Parker, Jimmie Rodgers, Louis Armstrong, Mario Lanza, Elvis Presley, Jimi Hendrix, Frank Zappa, Paul Frees and The Carpenters among others. In its prime, the studio was known as the best recording facility in Los Angeles. In 2010 the property was once again sold and is now part of the Siren Production Company.