The document provides information about rhythm and blues (R&B) music, including its origins, history, typical instruments used, and key artists. It states that R&B originated in the 1940s as a genre of popular African American music. The term was originally used by record companies to describe recordings marketed to urban African Americans that had elements of jazz, rock, and an insistent beat. The document then discusses the evolution and incorporation of different styles over the decades, such as soul music in the 1960s and disco and funk in the 1970s. Several iconic R&B artists are listed along with one or two of their most famous songs. Examples of contemporary R&B songs are also provided.