"Pippo non lo sa", "Lettera a Pinocchio", and "Grazie dei fiori", which won the first edition of the Sanremo Music Festival in 1951.
and "Pippo non lo sa", which also raised some controversies as they were accused of mocking some important Fascist personalities (Costanzo Ciano and Achille Starace, respectively).
In 1951 a song he composed, "Grazie dei fiori", won the first edition of the Sanremo Music Festival.
In 1959 his song "Lettera a Pinocchio" was presented at the first edition of the Zecchino d'Oro and later became a hit thanks to the version by Johnny Dorelli.
[1][2][3] In the 1960s Panzeri started a successful collaboration with Daniele Pace and his songs contributed to launch the careers of notable singers such as Gigliola Cinquetti, for whom he composed "Non ho l'età", which would go on to win the Sanremo Music Festival 1964 and the Eurovision Song Contest 1964, as well as "Alle porte del sole", "Sì" and other songs; Caterina Caselli, for whom he wrote the hit "Nessuno mi può giudicare"; and Orietta Berti, for whom he composed most of her 1960s–1970s repertoire.