Mar Lucas Discloses Ex‑Partner’s Infidelity at Arenal Sound Festival

Spanish singer Mar Lucas used her set at the Arenal Sound festival to reveal that a former boyfriend had been unfaithful. While performing an unreleased song inspired by the breakup, she said, “Cuando ya te tienen en la mano, te cambian por otra,” indicating the relationship ended when the partner left her for someone else. Lucas did not name the ex‑partner or give further details. After her performance, fellow artist Marta Díaz joined her on stage to show support.

The revelation was made public for the first time during the concert, marking a personal moment in the festival’s lineup.