Between 1987 and 2005 Nava entered the competition at the Sanremo Festival eight times, ranking third in 1999 with the song "Così è la vita". As a songwriter, she collaborated with Andrea Bocelli, Renato Zero, Lucio Dalla, Mango, Amii Stewart, Ornella Vanoni, Loredana Bertè, Eduardo De Crescenzo, Mietta, Gigi D'Alessio among others. In 2005 her song "It's Forever", sung in a duet with Dionne Warwick, was chosen as the official song of the FIS Alpine World Ski Championships held in Bormio.