======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Secret Garden'
                                     'text_people'  ''
                                         'release'  'Celtic Myst, Volume 2'
                                           'title'  'Elan'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new age', 'instrumental', 'celtic', 'folk', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '18'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '123'
                                             'key'  '11A'
                                        'acoustid'  '79399279-9886-4c9c-8b4a-6c49213ff57e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Celtic Myst, Volume 2'
'TBPM' (BPM (beats per minute))                     '123'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Elan'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '189000'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Secret Garden'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Universal'
'TRCK' (Track number/Position in set)               '4/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Secret Garden'
'TXXX:ASIN'                                         'B0002N5SP2'
'TXXX:Acoustid Id'                                  '79399279-9886-4c9c-8b4a-6c49213ff57e'
'TXXX:Artists'                                      'Secret Garden'
'TXXX:BARCODE'                                      '731454537025'
'TXXX:CATALOGNUMBER'                                '545 370-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e48e302d-c275-45a5-a7ec-96c49e5a8d5c'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '4ac60dc3-8e50-4c70-be0e-4a4a1298f7ba'
'TXXX:MusicBrainz Release Group Id'                 '1e0a7616-281a-3504-ac24-ba7b6a453f1c'
'TXXX:MusicBrainz Release Track Id'                 '9e457d3c-afe1-3af0-bd8d-e704e12fbc6c'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['new age', 'instrumental', 'celtic', 'folk', 'ambient']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.530106'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3bbf4419-adb7-49cb-9b30-280c63466aee')

========================== row from database ==========================
                                              'id'  1264290
                                            'path'  /data/Music/Bulk/00localcharacter/Clannad - Celtic Myst/Celtic Myst 2/Secret Garden - Elan.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  loc-unsorted
                                        'filesize'  3106801
                                           'mtime'  1647277987
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Clannad loc unsorted
                                      'tag_artist'  Secret Garden
                                     'tag_release'  Celtic Myst, Volume 2
                                       'tag_title'  Elan
                                             'bpm'  123.0
                                    'search_title'  'elan':1
                                   'search_artist'  'garden':2 'secret':1
                                  'search_release'  '2':5 'celtic':1 'myst':2,3 'volume':4
                                     'search_rest'  'clannad':1 'loc':2 'unsorted':3
                                    'search_combo'  '2':8C 'celtic':4C 'clannad':9 'elan':1A 'garden':3B 'loc':10 'myst':5C,6C 'secret':2B 'unsorted':11 'volume':7C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['new age', 'instrumental', 'celtic', 'folk', 'ambient']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1647277987.1022131  (2022-03-14 18:13:07)
                             'size'  3106801