Usher to Gretchen Wilson to Maroon 5. These are just a small sampling of the names you'll find in Joel Whitburn's 2004 Billboard Music Yearbook - the only annual recap of all the artists and all the action on Billboard's major music charts! Eleven complete music sections: The Billboard Hot 100 · Bubbling Under the Hot 100 · Hot Country Singles & Tracks · Hot R&B/Hip-Hop Singles & Tracks · Adult Contemporary · Hot Dance Club Play · Mainstream Rock Tracks · Modern Rock Tracks · The Billboard 200 (Albums) · Top Country Albums · Top R&B/Hip-Hop Albums · plus a complete pop and country annual ranking section!