When was Michael Tippett's best known work composed?
Child of Our Time: "Not to be confused with A Child of Our Time, an oratorio (1944) by Michael Tippett" Michael Tippett:  Among his best-known works are the oratorio "A Child of Our Time", the orchestral "Fantasia Concertante on a Theme of Corelli", and the opera "The Midsummer Marriage".
1944