======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '125'
                                          'artist'  'Triakel'
                                     'text_people'  ''
                                         'release'  'Triakel'
                                           'title'  'Lapp-Nils polska'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'folkmusik', 'scandinavian folk', 'folk', 'swedish folk']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-sweden'
                                             'bpm'  '133'
                                             'key'  '6A'
                                        'acoustid'  'd47d94a7-6113-40af-9c72-440410bb6afe'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Triakel'
'TBPM' (BPM (beats per minute))                     '133'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-sweden'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Lapp-Nils polska'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Triakel'
'TPE2' (Band/orchestra/accompaniment)               'Triakel'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'NorthSide'
'TRCK' (Track number/Position in set)               '10/12'
'TSO2'                                              'Triakel'
'TSOP' (Performer sort order)                       'Triakel'
'TXXX:Acoustid Id'                                  'd47d94a7-6113-40af-9c72-440410bb6afe'
'TXXX:Artists'                                      'Triakel'
'TXXX:BARCODE'                                      '021561601826'
'TXXX:CATALOGNUMBER'                                'NSD6018'
'TXXX:MusicBrainz Album Artist Id'                  'd75c4530-1b85-412a-a5e0-3461cc56c0fe'
'TXXX:MusicBrainz Album Id'                         '82946be6-ccfd-4159-862c-49cdc55440c1'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd75c4530-1b85-412a-a5e0-3461cc56c0fe'
'TXXX:MusicBrainz Release Group Id'                 '909c8d4a-2885-38f1-9f25-06f9cc6e39cc'
'TXXX:MusicBrainz Release Track Id'                 'e0f3d6fc-1d61-49f8-b8f3-f00ec49f78cf'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['swedish', 'folkmusik', 'scandinavian folk', 'folk', 'swedish folk']
'TXXX:originalyear'                                 '1998'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.555780'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bf17eb51-7d74-4e7c-a978-6057dc54cbeb')

========================== row from database ==========================
                                              'id'  163773
                                            'path'  /data/Music/Bulk/00dwimp/Triakel/10 - Lapp-Nils polska.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  125
                                           'genre'  loc-eur-northern-sweden
                                        'filesize'  3027784
                                           'mtime'  1621628504
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 10 loc eur northern sweden
                                      'tag_artist'  Triakel
                                     'tag_release'  Triakel
                                       'tag_title'  Lapp-Nils polska
                                             'bpm'  133.0
                                    'search_title'  'lapp':1 'lappnils':3 'nils':2 'polska':4
                                   'search_artist'  'triakel':1
                                  'search_release'  'triakel':1
                                     'search_rest'  '00dwimp':1 'eur':3 'loc':2 'northern':4 'sweden':5
                                    'search_combo'  '00dwimp':7 'eur':9 'lapp':1A 'lappnils':3A 'loc':8 'nils':2A 'northern':10 'polska':4A 'sweden':11 'triakel':5B,6C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'folkmusik', 'scandinavian folk', 'folk', 'swedish folk']
                                        'tag_date'  1998
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621628503.7469463  (2021-05-21 22:21:43)
                             'size'  3027784