The song "Fiesta" by Edin is about the feeling of being in love and the joy and happiness it brings. The narrator describes their disbelief and amazement that their partner truly exists, comparing it to a dream. They express how they have heard about love before, but never believed in it until now. The lyrics also highlight the power of their partner's presence and the positive influence they have on their life. When they dance, everything else becomes insignificant and the narrator falls in love with them over and over again. They tell their partner not to change because they are everything to them and they want them to stay the way they are. The song emphasizes the idea of letting go of past troubles and focusing on the present moment. The narrator forgets about what stressed or hurt them in the past and decides to not let anything change their current state of happiness. They want to keep the celebration and joy, represented by the word "fiesta," everlasting. Overall, "Fiesta" portrays the blissful feeling of being in love and the desire to hold on to that happiness forever.