Op.Cit, Orchestra for the city, is a multi-faeted musical Ensemble who ventures into fertiles grounds at the crossing of classical and improvised music.

Each new project is a quest for unheard matters and emotions. The musicians from Op.Cit are organized in two components : a string quartet and a trio made of a piano, a bass, and a drumset. The work of the ensemble, lead by its conductor and artistic director, Guillaume Bourgogne, sets itself in the inspiration from the contemporary world and its different artistic expressions. Op.Cit invites for his new creations soloists from other musical universe such as Jazz, Electronic musics or Traditional musics.  He also can involve artists from other artistic fields : dance, theatre, fine arts or digital arts…

The Ensemble regularly attends the important events within the "Biennales de Lyon" (*Biennale : event that occurs every two years) : the Comtemporary Art Biennale, and the the Biennale called "Music on Stage". He also proposed three concerts with the "Les Solistes de Lyon" lead by Bernard Tétu during the Cage and Satie exhibition in the Contemporary Art Museum in Lyon in 2012.

Le Cabaret Lunaire was created in 2013 in Chambery and in the Theatre de la Renaissance in Lyon . Project derived out of the "Pierrot Lunaire" from Schönberg, with the collaboration of the director and actor Pierre Meunier, from 

In 2015, the Op.Cit Ensemble has invited the flute player and vocalist Malik Mezzadri (alias Magic Malik) for a set of concerts . Creation at the "Theatre de la Croix-Rousse" in Lyon, and concert tour in November and December. Op.Cit Malik is the creation of a piece from the pianist and improviser Alessandros Markeas, and a piece from Malik Mezzadri.