album_name: Prove It On Me Blues : The First of the Great Blues Singers
artists.artist_gid: 330523332c3c44a48792e08a4d9d1da3
artists.artist_name: Ma Rainey
artists.role: ARTIST_ROLE_MAIN_ARTIST
artists.artist_gid: d96ef826afcc4f89b4f48e8397d33f8e
artists.artist_name: The Tub Jug Washboard Band
artists.role: ARTIST_ROLE_MAIN_ARTIST
name: Travelling Blues