"Rockin' RnB" is not a band or artist, but rather a sub-genre of rhythm and blues (RnB) that incorporates elements of rock music. Emerging in the 1940s and 1950s, this style combines the soulful vocals and repetitive grooves of traditional RnB with the amplified instruments and energetic beats of rock 'n' roll. Notable artists in this genre include Chuck Berry and Little Richard, whose pioneering work laid the groundwork for future developments in rock and pop music. Their distinctive sound, characterized by driving rhythms, powerful vocal performances, and an innovative use of electric guitar, has had a significant impact on the evolution of popular music.