 He then worked for Suvini Zerboni and Ricordi while also composing, pursuing his interest in music history and working on various radio projects for the RAI.From 1972 he devoted himself to educational activities, teaching music history at the Padua Conservatory and then taking up teaching posts at the Milan Conservatory and Florence Conservatory.As a composer, Testi's music has been strongly influenced by the works of Stravinsky along with his own dramatic sensibility.