{
 "id": "robert-maas-777eaf8b",
 "name": "Robert Maas",
 "kind": "person",
 "disambiguation": "cellist",
 "identifiers": {
  "mbid": [
   "777eaf8b-21a9-41da-b376-7b436a5d22d9"
  ],
  "wikidata": [
   "Q104455419"
  ],
  "isni": [
   "0000000060377863"
  ],
  "discogs": [
   "2284639"
  ]
 },
 "aliases": [
  "Maas",
  "Robert Mass"
 ],
 "facts": {
  "area": {
   "status": "single_source",
   "values": [
    {
     "value": "Belgium",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24",
     "ref": "5b8a5ee5-0bb3-34cf-9a75-c27c44e341fc"
    }
   ]
  },
  "begin_date": {
   "status": "multi_source",
   "values": [
    {
     "value": "1901-06-24",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24",
     "precision": "day"
    },
    {
     "value": "1901-06-24",
     "source": "wikidata",
     "source_record": "Q104455419",
     "retrieved": "2026-11-12",
     "precision": "day",
     "source_cites_reference": false
    }
   ]
  },
  "begin_place": {
   "status": "multi_source",
   "values": [
    {
     "value": "Linkebeek",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24",
     "ref": "9de5556b-16b3-4526-b764-3ec4455c7240"
    },
    {
     "value": "Linkebeek",
     "source": "wikidata",
     "source_record": "Q104455419",
     "retrieved": "2026-11-12",
     "ref": "Q631639",
     "source_cites_reference": false
    }
   ]
  },
  "citizenship": {
   "status": "single_source",
   "values": [
    {
     "value": "Belgium",
     "source": "wikidata",
     "source_record": "Q104455419",
     "retrieved": "2026-11-12",
     "ref": "Q31",
     "source_cites_reference": false
    }
   ]
  },
  "country": {
   "status": "single_source",
   "values": [
    {
     "value": "BE",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24"
    }
   ]
  },
  "description": {
   "status": "single_source",
   "values": [
    {
     "value": "Belgian cellist",
     "source": "wikidata",
     "source_record": "Q104455419",
     "retrieved": "2026-11-12"
    }
   ]
  },
  "end_date": {
   "status": "multi_source",
   "values": [
    {
     "value": "1948-07-07",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24",
     "precision": "day"
    },
    {
     "value": "1948-07-07",
     "source": "wikidata",
     "source_record": "Q104455419",
     "retrieved": "2026-11-12",
     "precision": "day",
     "source_cites_reference": true
    }
   ]
  },
  "end_place": {
   "status": "multi_source",
   "values": [
    {
     "value": "Oakland",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24",
     "ref": "6195f381-5711-4655-bf7c-75918c04b201"
    },
    {
     "value": "Oakland",
     "source": "wikidata",
     "source_record": "Q104455419",
     "retrieved": "2026-11-12",
     "ref": "Q17042",
     "source_cites_reference": false
    }
   ]
  },
  "member_of": {
   "status": "multi_source",
   "values": [
    {
     "value": "Pro Arte Quartet",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24",
     "ref": "4ac61651-2116-4185-ace5-8ca3701129e2",
     "begin": "1921",
     "end": "1940",
     "ended": true,
     "attributes": [
      "cello"
     ]
    },
    {
     "value": "Paganini Quartet",
     "source": "musicbrainz",
     "source_record": "777eaf8b-21a9-41da-b376-7b436a5d22d9",
     "retrieved": "2026-10-24",
     "ref": "0c9d4293-c011-4a09-8752-2ee2b0a4205d",
     "begin": "1946",
     "end": "1948",
     "ended": true,
     "attributes": [
      "cello",
      "original"
     ]
    },
    {
     "value": "Paganini Quartet",
     "source": "discogs",
     "source_record": "2284639",
     "retrieved": "2026-10-01",
     "ref": "discogs:3019732",
     "data_quality": "Needs Vote"
    },
    {
     "value": "Pro Arte Quartet",
     "source": "discogs",
     "source_record": "2284639",
     "retrieved": "2026-10-01",
     "ref": "discogs:3109632",
     "data_quality": "Needs Vote"
    }
   ]
  },
  "occupation": {
   "status": "single_source",
   "values": [
    {
     "value": "cellist",
     "source": "wikidata",
     "source_record": "Q104455419",
     "retrieved": "2026-11-12",
     "ref": "Q13219637",
     "source_cites_reference": true
    }
   ]
  }
 },
 "discography": [],
 "links": [
  {
   "kind": "VIAF",
   "url": "http://viaf.org/viaf/86686529"
  },
  {
   "kind": "discogs",
   "url": "https://www.discogs.com/artist/2284639"
  },
  {
   "kind": "discogs listed",
   "url": "https://adp.library.ucsb.edu/names/100600"
  },
  {
   "kind": "other databases",
   "url": "http://id.loc.gov/authorities/names/n2002069692"
  },
  {
   "kind": "other databases",
   "url": "https://adp.library.ucsb.edu/names/100600"
  },
  {
   "kind": "other databases",
   "url": "https://d-nb.info/gnd/1044942541"
  },
  {
   "kind": "other databases",
   "url": "https://www.worldcat.org/identities/lccn-n2002069692"
  },
  {
   "kind": "wikidata",
   "url": "https://www.wikidata.org/wiki/Q104455419"
  }
 ],
 "citation": {
  "canonical_url": "https://musiciandictionary.com/artist/robert-maas-777eaf8b",
  "cite_as": "Robert Maas, Musician Dictionary, https://musiciandictionary.com/artist/robert-maas-777eaf8b",
  "license": "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/): free to use with credit",
  "sources": [
   {
    "name": "musicbrainz",
    "dump": "20261024-001001",
    "date": "2026-10-24",
    "license": "CC0 1.0 (core data; supplementary fields removed)"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-28T151314",
    "date": "2026-10-28",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-29T161131",
    "date": "2026-10-29",
    "license": "CC0 1.0"
   },
   {
    "name": "discogs",
    "dump": "20261001",
    "date": "2026-10-01",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-29T182648",
    "date": "2026-10-29",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-30T103005",
    "date": "2026-10-30",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-10-31T103005",
    "date": "2026-10-31",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-01T113005",
    "date": "2026-11-01",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-02T113003",
    "date": "2026-11-02",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-03T113003",
    "date": "2026-11-03",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-04T113007",
    "date": "2026-11-04",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-05T113005",
    "date": "2026-11-05",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-06T113005",
    "date": "2026-11-06",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-07T113005",
    "date": "2026-11-07",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-08T113005",
    "date": "2026-11-08",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-09T113005",
    "date": "2026-11-09",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-10T113005",
    "date": "2026-11-10",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-11T113008",
    "date": "2026-11-11",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-12T113005",
    "date": "2026-11-12",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-13T113004",
    "date": "2026-11-13",
    "license": "CC0 1.0"
   },
   {
    "name": "wikidata",
    "dump": "2026-11-14T113006",
    "date": "2026-11-14",
    "license": "CC0 1.0"
   }
  ]
 }
}