"Rudolf Serkin" . "Rudolf" . . "Serkin" . . "Serkin, Rudolf" . "pianist"@nl . . _:Bc82da8c55db2c0a8851924353bef5ee1 . . _:Bc82da8c55db2c0a8851924353bef5ee1 . _:Bc82da8c55db2c0a8851924353bef5ee1 . _:Bc82da8c55db2c0a8851924353bef5ee1 "2023-05-21"^^ . _:Bc82da8c55db2c0a8851924353bef5ee1 . _:Bc82da8c55db2c0a8851924353bef5ee1 . _:Bc82da8c55db2c0a8851924353bef5ee1 "070301328" . _:Bc82da8c55db2c0a8851924353bef5ee1 . _:Bc82da8c55db2c0a8851924353bef5ee1 . _:Bc82da8c55db2c0a8851924353bef5ee1 .