The Dublin Theatre Festival showcases a range of productions addressing significant societal issues. 'Lourdes! The Musical' explores themes of faith and personal struggle through the story of a drama group on a pilgrimage, blending pop and soulful music. Meanwhile, 'Heroes of Tomorrow' examines the intersection of art and activism, while 'Zinc' delves into historical narratives of neutrality and identity, reflecting on colonization and the complexities of language.