[1] Initially taught by Giovanni Berti, Janigro enrolled in the Verdi Conservatory of Milan, where he was instructed by Gilberto Crepax [it].

He graduated from the school in 1934 and began performing solo and in recitals with Dinu Lipatti, Paul Badura-Skoda and Alfredo Rossi.

[2] Janigro was on vacation in Yugoslavia when it was invaded by the Axis powers in 1941, thus leaving him stranded in that country for the duration of World War II.

[1] In 1959, he was Fritz Reiner's soloist, along with Milton Preves and John Weicher, in a Chicago Symphony Orchestra recording of Strauss's Don Quixote.

Most of them studied at the Staatliche Hochschule für Musik und Darstellende Kunst Stuttgart and the Mozarteum Salzburg.