======================== unified (from filesystem) ========================
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                                        'duration'  '241'
                                          'artist'  'Mambo Kurt'
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                                         'release'  'Back in Beige: The Return of Alleinunterhalter, Volume II'
                                           'title'  "Rockin' All Over the World"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '15'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '131.2'
                                             'key'  '8B'
                                        'acoustid'  '98ede2bc-322d-46c2-8ed6-d4cf4a2e2ac3'
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'TBPM' (BPM (beats per minute))                     '131.2'
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'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "Rockin' All Over the World"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mambo Kurt'
'TPE2' (Band/orchestra/accompaniment)               'Mambo Kurt'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Schallplatten GmbH'
'TRCK' (Track number/Position in set)               '10/15'
'TSO2'                                              'Mambo Kurt'
'TSOP' (Performer sort order)                       'Mambo Kurt'
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'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ed91f11b-4341-46a0-84f6-8fb3c7f3adfe'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['german', 'heimorgel', 'electronic', 'covers', 'deutsch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
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'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
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========================== row from database ==========================
                                              'id'  1512633
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Mambo Kurt - Back In Beige - The Return Of Alleinunterhalter Vol. Ii (1999)/10 - Rockin_ All Over The World.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  241
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  5884186
                                           'mtime'  1636757470
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm In Of Vol. Ii (1999) 10 Rockin_ set novelty styledcovers;set cover covered
                                      'tag_artist'  Mambo Kurt
                                     'tag_release'  Back in Beige: The Return of Alleinunterhalter, Volume II
                                       'tag_title'  Rockin' All Over the World
                                             'bpm'  131.2
                                    'search_title'  'all':3 'over':4 'rockin':1,2 'the':5 'world':6
                                   'search_artist'  'kurt':2 'mambo':1
                                  'search_release'  'alleinunterhalter':8,9 'back':1 'beige':3,4 'ii':11 'in':2 'of':7 'return':6 'the':5 'volume':10
                                     'search_rest'  '1999':6,7 'cover':15 'covered':16 'ii':5 'in':1 'novelty':10 'of':2 'rockin':8 'set':9,12,14 'styledcovers':11,13 'vol':3,4
                                    'search_combo'  '1999':25,26 'all':3A 'alleinunterhalter':16C,17C 'back':9C 'beige':11C,12C 'cover':34 'covered':35 'ii':19C,24 'in':10C,20 'kurt':8B 'mambo':7B 'novelty':29 'of':15C,21 'over':4A 'return':14C 'rockin':1A,2A,27 'set':28,31,33 'styledcovers':30,32 'the':5A,13C 'vol':22,23 'volume':18C 'world':6A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'heimorgel', 'electronic', 'covers', 'deutsch']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636757469.7171397  (2021-11-12 23:51:09)
                             'size'  5884186