[4] After graduating from the Accademia Nazionale di Santa Cecilia in Rome (1948), Trovajoli was entrusted by RAI with the direction of a pop music orchestra, set with 12 violins, 4 violas, 4 cellos, 1 flute, 1 oboe, 1 clarinet, 1 horn, harp, vibraphone, electric guitar, bass, drums and the piano (played by Trovajoli himself).

[3] Together with Goffredo Petrassi, Trovajoli composed the score of Giuseppe De Santis' Bitter Rice (1949).

In 1951, Trovajoli was invited by Dino De Laurentiis to write music for Anna, a film directed by Alberto Lattuada, particularly the song El Negro Zumbón became an international success.

Inspired by tropical rhythms, it was sung in playback and danced by Silvana Mangano, but actually performed by Flo Sandon's.

[3] Since then, Trovajoli has written soundtracks for directors such as Dino Risi, Vittorio De Sica, Ettore Scola and others, for a total of over 300 scores.