"+ (Más)" (previously registered as "+", stylized in all caps; transl. "More") is a song by Spanish singer Aitana and Colombian duo Cali y El Dandee. The song was released on December 18, 2019 through Universal Music as the lead single of Aitana's upcoming second studio album 11 Razones (2020). It was written by Aitana, Cali y El Dandee and Andrés Torres. The song debuted at number 21 on the Spanish single chart with only two days of tracking, making it the only song in Spanish chart history to reach this position with within two days. The song peaked at number two in its second week.