Janowski grew up in Wuppertal, near Cologne, after his mother traveled there at the start of World War II to be with her parents.
[3][4] In the 2005/06 season, Janowski began his tenure as Artistic and Music Director of the Orchestre de la Suisse Romande (OSR), with an initial contract of five years.
[8] In November 2020, the orchestra announced the extension of Janowski's contract as chief conductor by one season, through the summer of 2023,[9] when he concluded his second tenure with the Dresden Philharmonic Janowski has made a number of operatic recordings, including the first digital recording of the complete Ring Cycle of Richard Wagner between 1980 and 1983 for RCA, with the Staatskapelle Dresden.
Another operatic first recording was of Krzysztof Penderecki's The Devils of Loudun with the Hamburg State Opera, shortly after he led the world premiere of the work in 1969.
He also made the first Super Audio CD surround-sound recordings of several Wagner operas, including the Ring Cycle, all with the Rundfunk-Sinfonieorchester Berlin on the Pentatone label.