The Piano Chord Songbook: 21st Century Hits. This Piano Chord Songbook contains complete lyrics and chord symbols for each song, plus clear, easy-to-read diagrams for every chord that you'll need to play. Over 30 of the biggest hits of the 21st Century, including - Apologize; Bleeding Love; Broken Strings; Can't Get You Out of My Head; Chasing Cars; Chasing Pavements; Crazy; Dog Days are Over; Don't Upset the Rhythm; Empire State of Mind; The Fear; Feel; Feeling Good; Fight for this Love; + more