Just before to start of the International Municipal Summit Fairless Cities(*), Remix the Commons publishes an interview of Joan Subirats presenting the new political space Catalunya in Comù. This interview was conducted by Nancy Thede and Alain Ambrosi on April 20, a few days after the constituent assembly of Catalunya in Comù. Joan Subirats revisits in detail the political project commons based, its genesis and its municipalist foundations, the relationship with institutional power and the conquest of a new political subject based on the sovereignties, as well as the importance of the internationalist involvement.