The 1st and 2nd works for orchestra ; the 3rd work for chorus and orchestra ; the 4th work for baritone and orchestra.
Previously released material.
The 18-disc set is accompanied by a booklet with program and biographical notes in English, German, and French (43 p.).
Sung texts included as a PDF on CD 17.
Recorded June 27, 1968 (4th work) and June 18-19, 1973 (3rd work), Philharmoinc Hall, Liverpool, and July 22-23, 1974, No. 1 Studio, Abbey Road, London (1st-2nd works).