 In the early 1970s Dossena founded the label Delta, and produced artists such as Riccardo Cocciante, Antonello Venditti, Francesco De Gregori and Patty Pravo, occasionally also serving as arranger and songwriter.After collaborating with the record company CAM, in 1990 he founded a new label, Compagnia Nuove Indye, also known as CNI Music, which launched groups such as Almamegretta and Agricantus.Dossena is also active as a film score composer, and his credits include films by Mario Monicelli and Ferzan Özpetek.