Boogie-woogie is a style of jazz piano, based on blues music and usually played quickly. The birth of boogie-woogie isn't precisely known, although some sources indicate that the earliest forms of boogie-woogie would have appeared in the late 19th century in Texas. Early boogie-woogie was played in "Barrel House" and "Honky-tonk", establishments where alcohol was served and people danced around a piano. In the early 20th century the boogie-woogie starts growing the U.S., especially in Chicago. The sound of steam locomotives would have influenced blues pianists, to create boogie-woogie music.