Ann-Marie Corvin While the pandemic has reduced film festivals’ capacity to showcase new work, an all-singing all-dancing Spanish-Italian number has been selected for two.“Explota Explota” (“My Heart Goes Boom!”), the assured debut feature of music promo and commercials director Nacho Álvarez, will receive an RTVE Gala Screening at the San Sebastian Festival next week and has also made the selection for the Toronto Festival’s market screenings.Set in dictator Francisco Franco’s Spain during the