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| Blues | melancholic music of black American folk origin, typically in a twelve-bar sequence. It developed in the rural southern US towards the end of the 19th century, finding a wider audience in the 1940s, as black people migrated to the cities. This urban blues gave rise to rhythm and blues and rock and roll. |
| Country Blues | is a style of blues music that developed in rural America—particularly the Mississippi Delta region—in the early twentieth century. Also called folk blues, it was commonly performed by Black American singers accompanying themselves on acoustic guitar. It sounds twangy. |
| Urban Blues | A key component of the urban blues that developed in the 1940s was the electrification of instruments. Such electrification, particularly the guitar, bass, and harmonica, was one of the major sound manifestations of the African American experience of the city. |
| Blues Rock | This is a fusion music genre that combines elements of blues and rock music. It is mostly an electric ensemble-style music with instrumentation |
| Rhythm and Blues | a form of popular music of US origin which arose during the 1940s from blues, with the addition of driving rhythms taken from jazz. It was an immediate precursor of rock and roll. |
| Blues and Funk | This is music that should be made more syncopated and danceable." The style later evolved into a rather hard-driving, insistent rhythm, implying a more carnal quality. |
| Crash Course | A course that is intended to be learned very quickly sometimes without notice. |
| To Rock out! | To act in a crazy manner. |
| Rock | A popular form of energetic, intense music with a strong beat. |
