 During 2003 and 2004 he wrote and produced the tracks of his fourth album "Luz y Sombra", that has a more acoustic vein and features many musicians from the Milan jazz scene, plus five Brazilians.In particular the vocal guests are Laura Fedele, Toco, Manuela Ravaglioli, Adi Souza, Angie Brown and Luciana Cury from São Paulo.It also features a string quartet in two tracks.