claim: Two of Mozart's sons were alive after his death.
evidence: is the title of more than a dozen ballets set to the score of the same title for chamber orchestra written in 1941 -- 42 by Igor Stravinsky .. the score of the same title for chamber orchestra. Danses concertantes ( Stravinsky ). Igor Stravinsky. Igor Stravinsky. Commissioned by Werner Janssen , it has been used for ballets by numerous choreographers attracted by its undeniable danceability .. Werner Janssen. Werner Janssen