After placing second at the Castrocaro Music Festival in 1990, Faccani studied at the Centro Europeo di Toscolano (C.E.T.)
In late 2004 Roberta replaced Silvia Mezzanotte as the lead singer of the famed group Matia Bazar, after signing a five-year contract; her first album with the band was Profili svelati (2005), preceded by the single Grido d'amore which earned the band the third place in the Group section at the Sanremo Music Festival 2005.
[2] Two albums revisiting Matia Bazar's earlier repertoire, One1 Two2 Three3 Four4 (2007) and One1 Two2 Three3 Four4 – Volume 2, followed; on 29 April 2010, Faccani departed from the group due to the expiry of her contract.
[4] In 2013, Faccani founded her music academy in Castelplanio, La fabbrica del cantante-attore, and a recording label, Bandidos Records (with Giordano Tittarelli), under which she released the single Lazio Generazione (2014) as a tribute to the football team managed by her late grand-uncle Augusto Faccani.
[4] On 28 November 2014, she sang for Pope Francis in Rome before a worldwide audience during the Terram in pacis event.