O Son Do Camiño returns to Santiago de Compostela, Spain from June 18-20, 2026, featuring an impressive lineup of 41 artists across rock, pop, electronic, dance, and techno genres. The festival is headlined by international superstars Katy Perry and Linkin Park alongside popular Spanish artists Dani Martín and Lola Índigo, plus Scottish rock band Biffy Clyro. The diverse lineup includes performers from Spain, the United States, United Kingdom, Germany, Netherlands, and Switzerland, offering festival-goers a truly international music experience. This three-day event combines major pop and rock acts with cutting-edge electronic and dance music, making it one of Spain's most anticipated multi-genre music festivals.