Where most dealers wouldn't dare exhibit the work of masters alongside that of relative unknowns, Virginia Miller welcomes the risk with aplomb in "Joyas Latinoamericanas," a show including paintings by titans Wifredo Lam and José Clemente Orozco smack next to whippersnappers such as Marco Tulio and Sergio Garval. The exhibit features artworks by more than a dozen Latin American artists, spanning nearly 80 years. Miller says that because of the recession, private owners are offloading long-cherished works, in some cases masterpieces, offering the general public a chance to see art previously off-limits. Among the highlights is a 1930 oil-on-canvas titled Dama Sofisticada (Sophisticated Dame), created with rough, slashing strokes by the late Mexican muralist Orozco. Also on view is a handful of Lam paintings, including an unusual early gouache-on-cardboard from 1942.

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NeoHooDoo: Art for a Forgotten Faith

Through September 13 at the Miami Art Museum, 101 W. Flagler St., Miami; 305-375-3000; miamiartmuseum.org. Open Tuesday through Friday 10 a.m. to 5 p.m. and Saturday and Sunday noon to 5 p.m.

"NeoHooDoo: Art for a Forgotten Faith" is freighted with the religious beliefs of those who have migrated here. The sprawling show corrals 50 works by 33 artists in an arresting variety of media ranging from sculpture to photography, assemblage, video, and performance. The exhibition was inspired by the African-American writer Ishmael Reed's Neo-HooDoo Manifesto, which explores the role of spirituality outside organized religion. Adding some wit and humor to the mix is Brian Jungen, who has stacked golf bags floor to ceiling to create two colossal columns reminiscent of totem poles. He does so as a critique of the commodification of native imagery. In his Beer Cooler, Jungen — who is of mixed European and Native American ancestry — carved skulls, flames, an eagle, and a dreamcatcher into the sides of a plastic cooler. By placing beer cans in the cooler and the cooler in a museum, Jungen has stated he is "giving alcohol back to the Europeans." "NeoHooDoo" includes a mind-jarring range of depictions of spirituality that will bring visitors back again and again to plumb its enigmatic depths.

"Convention" is an ingenious group show at MoCA that includes a series of workshops, video projects, installations, and performances. The exhibition — designed by MoCA's assistant curator, Ruba Katrib — explores the effects and roles of conventions, festivals, and other social and professional gatherings on our community. "'Convention' examines forms of gathering in our society," Katrib says. "Every artist in the exhibition is examining this phenomenon from a different perspective." She adds that the museum is "acting as a launching pad for several of the artists by creating an opportunity for them to experiment." The majority of works on display were created for the exhibition, which seeks to engage the community while challenging the format of a traditional museum show. There's lots of international and local talent, including Julieta Aranda, Fia Backström, Xavier Cha, Anne Daems and Kenneth Andrew Mroczek, Jim Drain, Fritz Haeg, Corey McCorkle, Gean Moreno, My Barbarian, Christodoulos Panayiotou, Sean Raspet, Bert Rodriguez, and Superflex and Jens Haaning.

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Because I Say So

Through September 6 at the Frost Art Museum, 10975 SW 17th St., Miami; 305-348-2890; thefrost.fiu.edu. Open Tuesday through Saturday 10 a.m. to 5 p.m. and Sunday noon to 5 p.m.

"Because I Say So" features selections from the collection of Debra and Dennis Scholl that challenge the notion of what art is. The works on display are remarkable not only for the range of materials — which include twigs, strips of fabric, hairpins, and even LPs — but also for tiptoeing around the tradition of sculpture while subverting it in arresting ways. The Scholls, who are major collectors, have offered the Frost often-unseen sculptures and installations from their impressive contemporary art trove. The couple's plucky eye for talent is on display even before visitors enter the gorgeous second-floor gallery, where the Scholls' quirky treasures are amassed.