Rock concert that fused country music, blues, and swing genre to produce the earliest examples of "rock and roll." The coining of the phrase, "rock and roll," is often attributed to American, Alan Freed, a disk jockey and concert promoter who organized many of the first major rock concerts. Since then, the rock concert has become a staple of entertainment not only in the United States, but around the world. The term 'rock concert' is also occasionally used to refer to live performances by distinctly non-rock acts. Live performances by pop, hip-hop, and R&B bands may not be rock concerts in the
Origins of rock and roll to the phrase being taken as a double entendre, with the interpretation as religious or sexual. The following year, Western swing musician Buddy Jones recorded "Rockin' Rollin' Mama", which drew on the term's original meaning – "Waves on the ocean, waves in the sea/ But that gal of mine rolls just right for me/ Rockin' rollin' mama, I love the way you rock and roll". In August 1939, Irene Castle devised a new dance called "The Castle Rock and Roll", described as "an easy swing step", which she performed at the Dancing Masters of America convention at the Hotel Astor.