Composer-lyricist Kevin Fry’s delightfully campy horror musical, based on Roger Corman’s 1962 gore-fest The Brain That Wouldn’t Die, is not only enjoyable on the level of Midnight Theater excess, it’s a quick-witted show by any standard. Its catchy score and clever, bloodthirsty lyrics are in the style of Little Shop of Horrors. And how can you not love a musical that features a severed head warbling songs of love and hatred? Beautiful, virginal Jan (Stephanie Ann Saunders) is administering fellatio to her boyfriend, Bill (Charles St. Michael), in the front seat of their car as they speed through the woods — an ill-advised, foolhardy act they soon have reason to regret as, in the ensuing car crash, Jan’s head is chopped off. Not to worry, though: Bill, it turns out, is a mad scientist and has invented a formula that will keep Jan’s head alive until he can find a new body onto which to transplant it. While Bill runs off to scour the strip clubs for a suitable albeit unwilling donor, Jan is left hooked up to a table, singing the blues. If the sight of a severed head dangling by its jaws from a man’s manhood isn’t enough to make you howl, then the image of Saunders’ strangely seductive Jan, her head on a table, singing a love song to the hideous Franken-monster (Chance Havens) Bill keeps locked in the closet, will do the trick. In director L. Flint Esquerra’s taut production, the ensemble assay their silly characters with glee and conviction. Fry’s musical style strives for ’50s doo-wop, but his comic instincts are comparatively timeless, evident in lyrics such as, “He will find you a new hottie/Chop off her head and give you her body!” Under music director Robert Shaw’s helm, the ensemble’s vocal work is top-notch, with droll performances that are equal parts operatic and cheesy. In addition to Saunders’ perky yet monstrous Jan, particularly sprightly turns are offered by St. Michael’s spooky, intense mad scientist and by Becca Battoe and Fiona Bates, playing ill-fated women of ill repute, one of whom comes to grief at Bill’s hands. St. Michael, in particular, has a memorably evocative falsetto: perfectly in tune, but edged with a fierce madness that puts one in mind of Riff Raff from The Rocky Horror Picture Show. Met Theatre, 1089 Oxford St., Hlywd; Fri., 9 p.m., Sat., 8 and 10:30 p.m.; thru Dec. 11. (323) 960-5770.

Saturdays, 8 & 10:30 p.m.; Fridays, 8 p.m. Starts: Oct. 2. Continues through Nov. 20, 2010

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