Answer: R&B is what it was originally called. SOUL, was supposed to differentiate between R&B and gospel. Soul is nothing more than singing secular music in the gospel style. In other words, it's taking the church out of the music.
Answer: Starting in the mid-1950s, after this style of music contributed to the development of rock and roll, the term "R&B" became used to refer to music styles that developed from and incorporated electric blues, as well as gospel and soul music.
