Like his father, John, Lennon prefers collaboration. That spirit comes through in his two new albums — one improvisational and the other a film soundtrack. Long resistant to the idea, Lennon is becoming more like his parents in another way: He's taken up a cause.
via House Music – Yahoo! News Search Results http://www.npr.org/2013/01/20/169640838/for-sean-lennon-music-is-not-a-solo-act?ft=1&f=1039