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With polyrhythmic clave beats and punchy sampled horns, Sweet Micky’s Tout Cé Mately is occasionally as evocative of salsa or merengue as it is of compas, Haiti’s most popular style. Led by vocalist and programmer Michel Mately, the group has a keyboard- and string-propelled sound that remains unmistakably Haitian, due in large part to the group’s use of ebullient Creole call-and-response chants. Having arranged early Sweet Micky releases with a member of seminal Haitian group Tabou Combo, Mately has since taken charge, composing lengthy Carnival odes that at first indulge his weakness for schmaltzy roller-rink plunking, but go on to suggest energetic pan-Caribbean celebrations. Sweet Micky’s “Springfest 1997” begins at 9 p.m. at the Camilla Room, 1600 St. Camillus Dr., Silver Spring. $25. (202) 984-4110. (Steve Kiviat)