The song "Después de ti" by Alejandro Lerner is about the struggle of moving on after a painful break-up. The lyrics express the feeling of not regretting the experiences and emotions lived, but also the difficulty of finding a way to fill the void left behind by the absence of the person who has gone. The singer reflects on the healing process and the challenge of starting over, while acknowledging the pain and longing that comes with trying to move on. The song captures the universal experience of heartbreak and the bittersweet journey of finding closure and moving forward.