an Entity references as follows:
Missa brevis en ut majeur KV 258 / Wolfgang Amadeus Mozart; Mitsuko Shirai, S; Marga Schmil, A; Armin Ude, T; Hermann-Christian Polster, B; Runfunkchor Leipzig; Jörg-Peter Weigle, chef de choeur; Dresdner Philharmonie; Walter-Heinz Bernstein, org; Herbert Kegel, dir