The fact that Genao is a poor actor with a grating, nasal voice, and negative comic timing makes Cinderella less appealing than the gyrating cartoons around her. Pairing Fennell’s quippy and shallow book with lyricist David Zippel’s strenuously slangy lyrics and Andrew Lloyd Webber’s lugubrious, syrupy music might have screamed cross-generational synergy on paper, but it’s a woeful marriage: TikTok meets grandfather clock.