Several songs from the Broadway production were dropped, while several new songs were written.With the exception of only one song, the tunes were sung by only two of the characters, Sally and the MC, on the Kit Kat Club""s stage, sometimes with an entourage of sleazy female musicians or dancers.Logan entered the scene, describing how they were overrun and outnumbered by the zombies ("We""re in the minority now") - about 400,000 to one, and that there wasn""t enough ammunition to shoot all of them in the head.In the end credits, however, where the cast list is prefaced by - "a good cast is worth repeating...," the Monster is listed fourth with BORIS KARLOFF""s name following.Karloff""s performance is remarkable - his acting communicated a hint of the pitiful humanity of the grotesque Monster behind its hideous, stitched and bolted-together body...I mean he hires dumb guys like you o work for him, and when it comes time to pay off, he takes a powder.