======================== unified (from filesystem) ========================
                                         'bitrate'  '256.383'
                                        'duration'  '596'
                                          'artist'  'Muslimgauze'
                                     'text_people'  ''
                                         'release'  'Re-Mixs, Volume 3'
                                           'title'  '[untitled]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '144.1'
                                             'key'  '11A'
                                        'acoustid'  'c2959769-1d9b-4366-a594-c2979b570bf0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '11A - 6'
'RVA2:'                                             RVA2(desc='', channel=1, gain=0.033203125, peak=0.0)
'TALB' (Album/Movie/Show title)                     'Re-Mixs, Volume 3'
'TBPM' (BPM (beats per minute))                     '144.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-04-12'
'TIT2' (Title/songname/content description)         '[untitled]'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Muslimgauze'
'TPE2' (Band/orchestra/accompaniment)               'Muslimgauze'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Staalplaat'
'TRCK' (Track number/Position in set)               '3/9'
'TSO2'                                              'Muslimgauze'
'TSOP' (Performer sort order)                       'Muslimgauze'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:Acoustid Id'                                  'c2959769-1d9b-4366-a594-c2979b570bf0'
'TXXX:CATALOGNUMBER'                                'MUSLIMLIM 017'
'TXXX:MP3GAIN_MINMAX'                               '098,210'
'TXXX:MusicBrainz Album Artist Id'                  '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:MusicBrainz Album Id'                         '4efa6531-8289-4329-ba8d-580f09e19c56'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'remix'
'TXXX:MusicBrainz Artist Id'                        '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.70 dB'
'TXXX:replaygain_track_peak'                        '0.534273'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e5032a14-b927-4568-83aa-65204d10328f')

========================== row from database ==========================
                                              'id'  477629
                                            'path'  /data/Music/Bulk/00localcharacter/Muslimgauze/Re-Mxs Vol. 3/03 Untitled 03.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  596
                                           'genre'  loc-m
                                        'filesize'  19130617
                                           'mtime'  1620527409
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Mxs Vol. 03 Untitled 03 loc
                                      'tag_artist'  Muslimgauze
                                     'tag_release'  Re-Mixs, Volume 3
                                       'tag_title'  [untitled]
                                             'bpm'  144.1
                                    'search_title'  'untitled':1,2
                                   'search_artist'  'muslimgauze':1
                                  'search_release'  '3':5 'mixs':2 're':1 'remixs':3 'volume':4
                                     'search_rest'  'loc':5 'mxs':1 'untitled':4 'vol':2,3
                                    'search_combo'  '3':8C 'loc':13 'mixs':5C 'muslimgauze':3B 'mxs':9 're':4C 'remixs':6C 'untitled':1A,2A,12 'vol':10,11 'volume':7C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527408.836032  (2021-05-09 04:30:08)
                             'size'  19130617