Each Mosaïque concert combines classical art song with at least one additional artistic element such as dance, chamber music, folk music, jazz, declamation, visual art, or fashion. This cross-pollination of artistic forms and genres allows international performers to explore new ideas, repertoire and relationships while bridging stylistic divides. The fusion of song with other art forms in an alternative setting appeals to an exceptionally broad audience.

The relaxed atmosphere of the venue lends itself to a certain intimacy between the artist and the audience, where performers often share personal insights about their music and art. To further heighten their allure, each concert revolves around a unique theme, and many contain elements of surprise and humor.