======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Karin Edvards Johansson'
                                     'text_people'  ''
                                         'release'  'Musica Sveciae: Folk Music in Sweden: Lockrop & vallåtar'
                                           'title'  'Växelvis kulning'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '37'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-sweden'
                                             'bpm'  '135.546'
                                             'key'  '12A'
                                        'acoustid'  'd763978a-04f3-4570-85ee-5dade59d6a43'
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Musica Sveciae: Folk Music in Sweden: Lockrop & vallåtar'
'TBPM' (BPM (beats per minute))                     '135.546'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-sweden'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Växelvis kulning'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Karin Edvards Johansson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Caprice Records'
'TRCK' (Track number/Position in set)               '4/37'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Johansson, Karin Edvards'
'TXXX:Acoustid Id'                                  'd763978a-04f3-4570-85ee-5dade59d6a43'
'TXXX:Artists'                                      'Karin Edvards Johansson'
'TXXX:CATALOGNUMBER'                                'CAP 21483'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '63ccb920-059a-4792-b2aa-046c7fbf985d'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '7ef24d14-217c-4703-aad6-b54cd7c8e0c8'
'TXXX:MusicBrainz Release Group Id'                 'bdab5a44-71d6-3f3d-8aa5-f12256a11fc4'
'TXXX:MusicBrainz Release Track Id'                 '3f61d3bf-94b5-38eb-a398-dd7fee14b586'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.500500'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5a9723d5-020a-4ddf-861e-91ed85b250ba')

========================== row from database ==========================
                                              'id'  1492061
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00scandinavia/folk musik in sweden - musica sveciae no. 8 [sweden]/04 - elin lisslass & karin edvardsson johansson - väkselvis kulning.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  loc-eur-northern-sweden
                                        'filesize'  7168959
                                           'mtime'  1621629473
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00scandinavia folk musik sweden musica sveciae no. 8 [sweden] 04 elin lisslass karin edvardsson johansson väkselvis loc eur northern sweden
                                      'tag_artist'  Karin Edvards Johansson
                                     'tag_release'  Musica Sveciae: Folk Music in Sweden: Lockrop & vallåtar
                                       'tag_title'  Växelvis kulning
                                             'bpm'  135.546
                                    'search_title'  'kulning':3 'vaxelvis':1,2
                                   'search_artist'  'edvards':2 'johansson':3 'karin':1
                                  'search_release'  'folk':4 'in':6 'lockrop':9 'music':5 'musica':1 'sveciae':2,3 'sweden':7,8 'vallatar':10,11
                                     'search_rest'  '00mid':1 '00scandinavia':4 '8':12 'edvardsson':17 'elin':14 'eur':22 'europe':3 'folk':5 'johansson':18 'karin':16 'lisslass':15 'loc':21 'musica':8 'musik':6 'no':10,11 'north':2 'northern':23 'sveciae':9 'sweden':7,13 'vakselvis':19,20
                                    'search_combo'  '00mid':18 '00scandinavia':21 '8':29 'edvards':5B 'edvardsson':34 'elin':31 'eur':39 'europe':20 'folk':10C,22 'in':12C 'johansson':6B,35 'karin':4B,33 'kulning':3A 'lisslass':32 'loc':38 'lockrop':15C 'music':11C 'musica':7C,25 'musik':23 'no':27,28 'north':19 'northern':40 'sveciae':8C,9C,26 'sweden':13C,14C,24,30 'vakselvis':36,37 'vallatar':16C,17C 'vaxelvis':1A,2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629473.4132621  (2021-05-21 22:37:53)
                             'size'  7168959