The Museu de la Música de Castelldefels, or Castelldefels Music Museum, celebrates the rich musical heritage of the town. The museum showcases a collection of musical instruments, sheet music, and memorabilia related to local musicians and composers. Visitors can explore the evolution of music styles, learn about the cultural significance of music in Castelldefels, and even try their hand at playing some of the exhibited instruments. The Museu de la Música de Castelldefels also hosts concerts, recitals, and music workshops, providing a platform for local talent and fostering a vibrant music scene in the town.