Meaning of parranda by Francisco Herrera

In Gran Canaria are the groups of revelers and rondallas.The rondallas are organizations of music which made only, Canarian music.And the partying or the revelers and Canarian music make music of all kinds. I mean that throw you all this add to the corresponding alcohol.If I am wrong I would like me to rectify.Grace and greetings from Gran Canaria ( 41 Canary Islands;