Salamanca University Tuna, a group from the University of Salamanca that preserves the popular musical tradition of Spain and Latin America, will perform at the University quadrangle (Atriju Vassalli) tomorrow from 12.30 to 1.30pm, and at the National Library, Valletta, at 6pm. The group is in Malta on the initiative of the Embassy of Spain to take part in the celebrations of Our Lady of the Pillar and of Spain’s national day tomorrow.