Un gatto nel blu"Un gatto nel blu" is a 1972 song composed by Totò Savio, performed by Brazilian singer Roberto Carlos.BackgroundThe song premiered at the 22th edition of the Sanremo Music Festival, where it was eliminated. The song, however, proved successful in Spain and Latin America. Carlos also recorded the song in Spanish.Track listing 7" single "Un gatto nel blu" "Più grande del mio amor"