Murder for Two: A hilarious musical murder mystery, in which one actor investigates the crime, the other plays all the other roles, and they both play piano. Through May 1. 7:30 p.m., Jaeb Theater at the Straz Center for the Performing Arts, 1010 N W.C. MacInnes Place, Tampa. $40. (813) 229-7827.
Palladium Chamber Players: Calidore String Quartet: Florida Orchestra Concertmaster Jeff Multer, violist Danielle Farina, cellist Edward Arron and pianist Jeewon Park bring vibrant interpretations of the classic chamber repertoire. 7:30 p.m., Palladium Theater, 253 Fifth Ave. N, St. Petersburg. $25-$38; $140 for 4, $105 for 3. (727) 822-3590.
Unhappy Hour: To raise awareness about the issues of pay equality and wage discrimination, the Business and Professional Women/St. Petersburg-Pinellas invite anyone interested to celebrate Equal Pay Day with a cash bar and light appetizers. Why this day? April 12 is the date when women's earnings "catch up" to men's from the previous year. 5:30 p.m., St. Petersburg Museum of History, 335 Second Ave. NE, St. P etersburg. Free. (727) 551-5225.
Writers at the University: Terese Svoboda: A literary reading series organized by the Department of English and Writing. The author of six books of fiction and five books of poetry. 7 p.m., University of Tampa, 401 W Kennedy Blvd., Tampa. Free. (813) 257-6311.
Dark Wave Yoga: Vinyasa Yoga set to dark and melancholy variant of new wave, post-punk, gothic rock, dark synthpop, ambient, industrial, trip-hop music. Bands like Bauhaus, Joy Division, The Sisters Of Mercy, Portishead, Morrissey, Nine inch nails, Dead Can Dance. 7:15 p.m., Tempus Projects, 4636 N Florida Ave., Tampa. $12; $10 students & military. (813) 340-9056.
10 Parks That Changed America, 8 p.m., PBS. Celebrates the visionaries who transformed open canvases of land into spaces that offer city-dwellers a serene respite from the hustle and bustle of urban life. Included: the Riverwalk in San Antonio and a park built over a freeway in Seattle.
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