Introducing the album “Vertebrats”. Double length album, 32 songs by David Mengual, Toni Vaquer, Jordi Mestres, Oriol Roca, Led Zeppelin, Jimi Hendrix, The Beatles, and Johann Sebastian Bach. Mystery and opacity to the epic celebration, festive, intimate feel of Impressionism, the last work of David Mengual Free Spirits Big Band “Vertebrats”, is a musical and visual journey of shared sounds.