======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '235'
                                          'artist'  'The Ukrainians'
                                     'text_people'  ''
                                         'release'  'Drink to My Horse'
                                           'title'  'Oi Divchino'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['folk rock', 'ukrainian', 'punk', 'folk', 'folk punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '20'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '136.367'
                                             'key'  '9A'
                                        'acoustid'  '790eab21-a44b-418e-a3a2-4e624d7eae49'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Drink to My Horse'
'TBPM' (BPM (beats per minute))                     '136.367'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Oi Divchino'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ukrainians'
'TPE2' (Band/orchestra/accompaniment)               'The Ukrainians'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/20'
'TSO2'                                              'Ukrainians, The'
'TSOP' (Performer sort order)                       'Ukrainians, The'
'TXXX:Acoustid Id'                                  '790eab21-a44b-418e-a3a2-4e624d7eae49'
'TXXX:Artists'                                      'The Ukrainians'
'TXXX:MusicBrainz Album Artist Id'                  '5f81942c-7734-4e40-9536-b71bcb9c5658'
'TXXX:MusicBrainz Album Id'                         'f0acc2ee-e770-4c2a-930a-1ed1ce307c7a'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/live'
'TXXX:MusicBrainz Artist Id'                        '5f81942c-7734-4e40-9536-b71bcb9c5658'
'TXXX:MusicBrainz Release Group Id'                 '5a80b358-648f-333d-a0a8-5bf15ad6cc54'
'TXXX:MusicBrainz Release Track Id'                 '30e432c2-4145-3a0c-aeef-d7b43054720c'
'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'                                   ['folk rock', 'ukrainian', 'punk', 'folk', 'folk punk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.515236'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'740d85de-fbe3-4005-ac92-9e012079ca98')

========================== row from database ==========================
                                              'id'  1526930
                                            'path'  /data/Music/Bulk/00localcharacter/Ukrainians/the ukrainians - drink to my horse _2002/01 - Oy Divchyno.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  235
                                           'genre'  loc-unsorted
                                        'filesize'  9433951
                                           'mtime'  1620401478
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter the ukrainians drink my horse _2002 01 Oy Divchyno loc unsorted
                                      'tag_artist'  The Ukrainians
                                     'tag_release'  Drink to My Horse
                                       'tag_title'  Oi Divchino
                                             'bpm'  136.367
                                    'search_title'  'divchino':2 'oi':1
                                   'search_artist'  'the':1 'ukrainians':2
                                  'search_release'  'drink':1 'horse':4 'my':3 'to':2
                                     'search_rest'  '2002':6 'divchyno':8 'drink':3 'horse':5 'loc':9 'my':4 'oy':7 'the':1 'ukrainians':2 'unsorted':10
                                    'search_combo'  '2002':14 'divchino':2A 'divchyno':16 'drink':5C,11 'horse':8C,13 'loc':17 'my':7C,12 'oi':1A 'oy':15 'the':3B,9 'to':6C 'ukrainians':4B,10 'unsorted':18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           '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-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'ukrainian', 'punk', 'folk', 'folk punk']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401478.1124053  (2021-05-07 17:31:18)
                             'size'  9433951