Born in Rome, Evangelisti studied singing with composer Lino Benedetto [it].
[1] In the second half of the 1950s, she started her professional career as a singer with the stage name Evy Angeli.
[1] In the late 1960s, Evangelisti was put under contract by RCA Italiana as a lyricist, notably becoming a close collaborator of Renato Zero for about twenty years, signing some of his most known songs such as "Il carrozzone", "Amico", "Madame", "Sesso o esse".
[2][3] In this role, Evangelisti took part in four editions of the Sanremo Music Festival, in particular writing the lyrics of Patty Pravo's 1987 entry "Pigramente signora".
[1][2] Artists with whom she collaborated also include Domenico Modugno, Mina, Sylvie Vartan, Mia Martini, Nicola Di Bari, Riccardo Fogli, Michele Zarrillo, Dario Baldan Bembo and Adriano Pappalardo.