The collection documents songs that made it into Sondheim’s musicals, and it also documents cut or unused songs that were edited out of shows before they opened. Rarest of all, it documents songs that ...

This week, Rosalía delivers her magnum opus, Hayley Williams meditates on fame as she dances in the strobe light, and Hilary Duff returns with a shimmery pop-rock bop for her first single in 10 years.