The presence of 7 bands has already been confirmed from the poster: John Garcia and the Band of Gold, All Them Witches, Brant Bjork, Witch, Causa Sui, Bala and Psychlona.   Sonic Blast is back! On the 12th, 13th and 14th of August 2021 the festival celebrates its 10th edition, after a one-year break due to the Covid-19 pandemic, [...]