Willow Smith Lends Her ‘Golden Voice’ To A Song Written By Sean Lennon And Carrie Fisher Posted by March 6, 2017 Leave a comment on Willow Smith Lends Her ‘Golden Voice’ To A Song Written By Sean Lennon And Carrie Fisher Sean Lennon and Willow Smith duet on “Bird Song,” a song Lennon co-wrote by the late Carrie Fisher.