HBO has just released a preview of its upcoming documentary Six by Sondheim about the legendary composer. The film, directed by frequent Sondheim collaborator James Lapine, explores the icon’s life and process through six of his songs, combining these musical numbers with archival footage and interviews. Six by Sondheim features performances by Audra McDonald, Darren Criss, Jeremy Jordan, Laura Osnes and America Ferrara and will premiere December 9 on HBO. Check out the sneak peek below!