New York Theatre Workshop NYTW Artistic Director James C. Nicola and Managing Director Jeremy Blocker announced today a one-week final extension for the World Premiere of Sing Street, a new musical based on the motion picture written and directed by John Carney Once, Begin Again. Sing Street features a book by Tony Award winner NYTW Usual Suspect Enda Walsh Once, Lazarus, music and lyrics by Gary Clark frontman of Danny Wilson Carney, direction by Tony Award winner NYTW Usual Suspect Rebecca Taichman Indecent and choreography by Obie Award winner Sonya Tayeh Hundred Days.