Erin Kamler's witty and entertaining new musical satire (for which she wrote the music, the lyrics and the book) takes apart almost every emotional phase of a marital breakup, including the horrors of dating and the hollows of rebound sex, and sets it to chirpy and wry songs that feature some sophisticated musical juxtapositions and harmonies. (Musical direction and arrangements by David O) Kamler skirts the apparent danger of triteness (setting a too familiar circumstance to music) by cutting beneath the veneer of gender warfare. This is a study of the decaying partnership of a resentful Brentwood radiologist (Rick Segall) and his aspiring actress wife (Lowe Taylor), goaded by their respective attorneys. The lawyers are the villains here – one (Gabrielle Wagner), a Beverly Hills shark, the other (Leslie Stevens), a swirl of confusion from her own recent divorce and now “temporarily” based in Studio City. These vultures collude to distort the grievances of their clients, who both actually care about their exes, and would be better off without “representation.” They might even remain married, the musical implies. Director Rick Sparks gets clean, accomplished performances from his five-person ensemble (that also includes Gregory Franklin, as the Mediator – i.e. host of an absurdist game show.) Danny Cistone's cubist set with rolling platforms masks the live three-piece band, parked behind the action: This includes the ex-groom's impulsive decision, based in his lawyer's misinformation, to remove all furniture from his home, where his ex-bride continues to live — only to find his bank accounts and credit cards frozen. In the song, “We Stuck It Out,” there's a kind of Sondheimian ennui to the verities of life-long partnerships. The song is ostensibly an homage to his parents, in whose basement he winds up living. As the Brits would say, marriage is bloody hard work. Hudson Mainstage Theatre, 6539 Santa Monica Blvd., Hollywood; Thurs.-Sat., 8 p.m.; Sun., 2 p.m.; through May 17. (323) 960-1056.

Thursdays-Saturdays, 8 p.m.; Sundays, 2 p.m. Starts: Feb. 14. Continues through June 28, 2009

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