Celso Valli (born 14 May 1950) is an Italian composer, conductor, arranger and record producer.
Born in Bologna, after the conservatory studies Valli made his official debut collaborating with Drupi in his 1978 album Provincia. In the same years he started producing, arranging and occasionally working as a composer in a number of Italo disco projects, including Tantra, Azoto, and Passengers. Since 1978 he started collaborating with Mina, then he was producer and collaborator of some of the most successful Italian artists between 1980s and 2000s, notably Andrea Bocelli, Laura Pausini, Eros Ramazzotti, Filippa Giordano, Mango, Vasco Rossi, Matia Bazar, Raf, Giorgia, Gerardina Trovato.
Celso Dias dos Santos (born 28 February 1956), known simply as Celso, is a Brazilian retired footballer who played as a central defender.
Born in Santos, São Paulo, Celso started playing for local Botafogo Futebol Clube (SP), sharing teams with future legend Sócrates. In 1978, after four seasons, he joined Fortaleza Esporte Clube, moving to Ferroviário Atlético Clube the following year; whilst with the latter, he scored against Ceará Sporting Club to help his team win the state championship.
In 1980 Celso signed for CR Vasco da Gama, being crowned Carioca champion two years later. In quick succession he still represented, in his country, Clube Atlético Paranaense, Santa Cruz Futebol Clube and Esporte Clube Bahia.
For 1985–86, already aged 29, Celso moved abroad, signing with FC Porto in Portugal. He played in 23 league games in each of his first two seasons, and netted six goals in 24 in his last, winning a total of eight major titles; in the club's European Cup victorious campaign in 1986–87, he played all matches and minutes and scored three times – against Rabat Ajax FC (9–0 at home, first round), FC Vítkovice (3–0 home success, second round) and FC Dynamo Kyiv (2–1 away win); he possessed a very powerful shot and often found the net through free kicks.