Michel Mossessian and Armen Nalbandian, have which European country in common?
Michel Mossessian:  based in London, UK. Armen Nalbandian: Armen Nalbandian (born April 6, 1978 in Manchester, England) is a jazz pianist, composer, author, and activist from Los Angeles, California, known for his multidisciplinary collaborations in visual and fine art.
UK