Swedish composer and pianist Benny Andersson is best known as a co-founder of the band ABBA. He also wrote music for the musicals "Chess," "Kristina från Duvemåla" and "Mamma Mia!" 

Andersson has a new album out on Deutsche Grammophon featuring 21 of his songs. He arranged and performed the music on solo piano. The music includes ABBA hits, songs from his musicals and several original compositions.