Events May Barcelona. Primavera Sound Festival Barcelona. The Primavera Sound festival in Barcelona is a popular annual music festival in Barcelona featuring top class live acts performing hardcore, grunge, extreme rock, electronic and pop and rock music. There is also a massive line-up of renowned DJs. The main venue for the Primavera is the Parc Forum venue in Barcelona's Diagonal mar area near the beach. The festival has 6 stages including the Forum Auditorium and there are many fringe events around the city including concerts in underground venues and day time performances in parks and public spaces.