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New stubs: brand/mca-classics (Discogs and MusicBrainz label records) and company/mca-records (Discogs company profile: incorporated CA 1970, merged into UMG Recordings 2000; Wikipedia). 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Missing fields may require research or an applicability note."},{"domain":"tracks evidence","recorded":24,"expected":24,"detail":"Recorded rows linked to source evidence; does not measure whether the list is complete"},{"domain":"Context","recorded":1,"expected":1,"detail":"Evidence groups assigned to a researched label, edition or analysis"},{"domain":"Label photographs","recorded":0,"expected":1,"detail":"Researched contexts with an assigned photograph"},{"domain":"Specifications","recorded":0,"expected":9,"detail":"Recorded specifications mapped to comparable property keys"}],"gaps":[{"domain":"specifications","state":"disputed","detail":"Discogs describes the discs as mono, while the recording was first issued in stereo by Westminster (WST 304); the tray cards state no channel format.","observation":"cd-1989"},{"domain":"packaging","state":"unknown","detail":"Whether the two discs, each in its own case with its own tray card, were sold shrink-wrapped together or also separately is not stated on the photographed parts.","observation":"cd-1989"},{"domain":"relationships","state":"unknown","detail":"The length of the GS1 company prefix behind 0 76732 is not stated by a source; the gs1_prefix_owner row is derived from the pack and no prefix is written to the company stub."},{"domain":"images","state":"not_researched","detail":"No product photographs recorded."},{"domain":"schema","state":"schema_gap","detail":"Some specifications retain source labels without comparable property keys."}],"observations":[{"id":"cd-1989","label":"1989 US 2-CD release, MCAD2-9821","supportedValues":0,"declaredValues":0,"sourceLinked":0,"stale":false}]},"images":[],"data":{"about":"A two-CD set in MCA Classics' \"double decker\" series, issued in the United States in 1989 under catalogue number MCAD2-9821, of Hermann Scherchen's 1959 Vienna recording of Bach's Mass in B minor, BWV 232.[^discogs-mca][^bach-cantatas] The soloists are Pierrette Alarie, Nan Merriman, Leopold Simoneau and Gustav Neidlinger, with the Vienna Academy Chorus and the Vienna State Opera Orchestra, Willy Boskowsky as solo violinist and Franz Holetschek at the organ.[^caa-a] The discs, MCAD2-9821A and MCAD2-9821B, each have their own tray card printing this barcode, which is why MusicBrainz lists them as two releases.[^caa-b][^mb-a][^mb-b] MCA Records, Inc. of Universal City, California, holds the 1989 copyrights.[^caa-a]\n\nThe tray cards say all selections were previously released on Westminster and that the analogue recordings were remastered digitally on a Sony PCM 1630 processor, adding that minor sonic flaws are due to deterioration of the original source.[^caa-a] MCA had acquired Westminster with ABC Records in 1979; its classical catalogue is now managed by Deutsche Grammophon.[^wp-mca] MCA Classics ran from 1986 to 1997 as a label of MCA Records, Inc.[^discogs-label] The Bach Cantatas discography lists the recording as Scherchen's second of the Mass, with a total time of 134:41, and a contributor to its forum recalled in 2002 buying the double decker set in 1989 or 1990 for under 12 US dollars.[^bach-cantatas] Amazon.com still lists the MCA set, with used copies only.[^amazon-us]","tracks":[{"note":"MusicBrainz gives 14:50","title":"Kyrie: 1. 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Chorus: Crucifixus etiam pro nobis sub Pontio Pilato","artist":null,"source":"^caa-b","writers":["Johann Sebastian Bach"],"duration":"5:09","position":"2-5"},{"note":null,"title":"Credo: 17. Chorus: Et resurrexit tertia die secundum Scripturas","artist":null,"source":"^caa-b","writers":["Johann Sebastian Bach"],"duration":"3:57","position":"2-6"},{"note":"MusicBrainz gives 5:47","title":"Credo: 18. Aria: Et in Spiritum Sanctum, Dominum et vivificantem","artist":null,"source":"^caa-b","writers":["Johann Sebastian Bach"],"duration":"5:45","position":"2-7"},{"note":"MusicBrainz gives 9:16","title":"Credo: 19. Chorus: Confiteor unum baptisma in remissionem peccatorum","artist":null,"source":"^caa-b","writers":["Johann Sebastian Bach"],"duration":"9:11","position":"2-8"},{"note":null,"title":"Sanctus: 20. 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