======================== unified (from filesystem) ========================
                                         'bitrate'  '140.13'
                                        'duration'  '165'
                                          'artist'  'Loituma'
                                     'text_people'  ''
                                         'release'  'Things of Beauty'
                                           'title'  "Ieva's Polka"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-finland'
                                             'bpm'  '110'
                                             'key'  '7A'
                                        'acoustid'  'bdc27890-b7d5-4304-b3d3-b62086a6190c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Things of Beauty'
'TBPM' (BPM (beats per minute))                     '110'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-finland'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-02-24'
'TIT2' (Title/songname/content description)         "Ieva's Polka"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Loituma'
'TPE2' (Band/orchestra/accompaniment)               'Loituma'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Loituma'
'TSOP' (Performer sort order)                       'Loituma'
'TXXX:Acoustid Id'                                  'bdc27890-b7d5-4304-b3d3-b62086a6190c'
'TXXX:Artists'                                      'Loituma'
'TXXX:MusicBrainz Album Artist Id'                  '779498bb-07cc-4b02-a48e-04203099aeb4'
'TXXX:MusicBrainz Album Id'                         '31e34ee1-b07e-4191-a610-837f4f2f31f5'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '779498bb-07cc-4b02-a48e-04203099aeb4'
'TXXX:MusicBrainz Release Group Id'                 '6a619ac2-3155-37a5-8fce-27e4c65480c9'
'TXXX:MusicBrainz Release Track Id'                 'b7055264-0bbe-3d52-96b0-49108f1eb3a4'
'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:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.868309'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5752568c-06da-4cca-93ab-2c7409866d95')

========================== row from database ==========================
                                              'id'  1507425
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00scandinavia/Loituma/10. Ievan Polkka   Ieva_s Polka.mp3
                                         'working'  None
                                         'bitrate'  140
                                    'duration_sec'  165
                                           'genre'  loc-eur-northern-finland
                                        'filesize'  2901958
                                           'mtime'  1621629430
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00scandinavia 10. Ievan Polkka Ieva_s loc eur northern finland
                                      'tag_artist'  Loituma
                                     'tag_release'  Things of Beauty
                                       'tag_title'  Ieva's Polka
                                             'bpm'  110.0
                                    'search_title'  'ieva':1 'ievas':3 'polka':4 's':2
                                   'search_artist'  'loituma':1
                                  'search_release'  'beauty':3 'of':2 'things':1
                                     'search_rest'  '00mid':1 '00scandinavia':4 '10':5,6 'eur':12 'europe':3 'finland':14 'ieva':9 'ievan':7 'loc':11 'north':2 'northern':13 'polkka':8 's':10
                                    'search_combo'  '00mid':9 '00scandinavia':12 '10':13,14 'beauty':8C 'eur':20 'europe':11 'finland':22 'ieva':1A,17 'ievan':15 'ievas':3A 'loc':19 'loituma':5B 'north':10 'northern':21 'of':7C 'polka':4A 'polkka':16 's':2A,18 'things':6C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']
                                        'tag_date'  1998
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621629429.7107172  (2021-05-21 22:37:09)
                             'size'  2901958