 In Marseille, a typical Provençal song is called 'Catalan song'.Most linguists separate Catalan and Occitan, but both languages have been treated as one in studies by Occitan linguists attempting to classify the dialects of Occitan in supradialectal groups, such is the case of Pierre Bec and, more recently, of Domergue Sumien.Both join together in an Aquitano-Pyrenean or Pre-Iberian group including Catalan, Gascon and a part of Languedocian, leaving the rest of Occitan in one (Sumien