Blues is one of the musical form that is originated by African Americans in the Southern United States towards the beginning of the 19th-20th century, as a genre it developed from the roots of the African-American work songs and European-American folk music. Also, the Blues was not written down it was always in the moment with a group of people.
Charles was well known for being able to combine blues, gospel and jazz as one. Charles had an unbelievable singing voice due to the fact he eventually turned blind. Ray Charles is also the reason as to why blues became such a big deal back in the early/middle 1900S.
Muddy Waters taught himself to play the harmonica as a child and he also began to pick up the guitar at age 17. He eagerly absorbed the classic delta blues styles of Robert Johnson, Son House, and others while developing a style of his own.
BB King had spent several decades recording and touring, playing more than 300 shows a year. King BB also worked with other musicians from rock, pop and country backgrounds. Eventually he won his 15th Grammy Award in 2009.