The Sis Hores de Cançó in Canet de Mar was a mass festival of Catalan singing in a time when Catalan, as a language and as a culture, was somehow persecuted by the Spanish Francoist dictatorship. The embryo of this festival can be found in an event that Agrupament Escolta dels Pioners from Canet de Mar organized in the local tennis club court in August 1969. Their leader was Joan Ramon Mainat, brother of [1], one of the three members of a hugely popular Catalan band called . Most of the greatest Catalan singers involved in the struggle to gain acknowledgment of Catalan as an official language performed there: Lluís Llach, Ovidi Montllor i . Attendance was about 500 people. In April 1970 they organized another concert, which gathered more people.