Artist Irina Korina takes us on a guided tour of Moscow’s art scene. Rita Vitorelli talks with Heimo Zobernig. Portraits of painter Mary Heilman, sculptor Monica Bonvicini, Yves Mettler and Rafael Bujnowski. Gallerists Johann König and Gregor Podnar present Emily Jacir and Attila Csörgö. Daniel Baumann writes about Buster Keaton’s “One Week”. Noel Akchote visits the Sonar music festival in Barcelona.