======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '266'
                                          'artist'  '16volt'
                                     'text_people'  ''
                                         'release'  'The Best of Sixteen VoltTM'
                                           'title'  'And I Go'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-SYN-3', 'Q-BUSY-2', 'Q-GRIT-3', 'Q-PLAY-2', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  ("['industrial rock', 'industrial', 'coldwave', 'industrial metal', "
 "'electronic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '15'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '125.0'
                                             'key'  '8A'
                                        'acoustid'  'c87509d0-690f-4e22-92fb-b23e615a71b4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Best of Sixteen VoltTM'
'TBPM' (BPM (beats per minute))                     '125.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-05-10'
'TIT2' (Title/songname/content description)         'And I Go'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '16volt'
'TPE2' (Band/orchestra/accompaniment)               '16volt'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Cleopatra Records'
'TRCK' (Track number/Position in set)               '15/15'
'TSO2'                                              '16volt'
'TSOP' (Performer sort order)                       '16volt'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:ASIN'                                         'B00092ZLZ8'
'TXXX:Acoustid Id'                                  'c87509d0-690f-4e22-92fb-b23e615a71b4'
'TXXX:Artists'                                      '16volt'
'TXXX:BARCODE'                                      '0741157150223'
'TXXX:CATALOGNUMBER'                                'CLP 1502'
'TXXX:MusicBrainz Album Artist Id'                  '836d8ab6-8f06-4d92-ba15-93c62770765b'
'TXXX:MusicBrainz Album Id'                         '385b377b-22e8-4f21-bb08-37726d980133'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '836d8ab6-8f06-4d92-ba15-93c62770765b'
'TXXX:MusicBrainz Release Group Id'                 '3d7e4e39-6f6b-35c5-80cc-617cb7749086'
'TXXX:MusicBrainz Release Track Id'                 'e1a12369-4c66-345c-a495-a0652bc98ccc'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['industrial rock', 'industrial', 'coldwave', 'industrial metal', 'electronic']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.97 dB'
'TXXX:replaygain_track_peak'                        '0.498550'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'28642ffd-d3c1-42bf-90cd-964ce47616b5')

========================== row from database ==========================
                                              'id'  1489298
                                            'path'  /data/Music/Bulk/00dwimp/disc 01/15 - and i go.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  266
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  4294095
                                           'mtime'  1620298481
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp disc 01 15 and go eid ebm or industrial or darkwave industrial
                                      'tag_artist'  16volt
                                     'tag_release'  The Best of Sixteen VoltTM
                                       'tag_title'  And I Go
                                             'bpm'  125.0
                                    'search_title'  'and':1 'go':3 'i':2
                                   'search_artist'  '16volt':1
                                  'search_release'  'best':2 'of':3 'sixteen':4 'the':1 'tm':7 'volt':6 'volttm':5
                                     'search_rest'  '00dwimp':1 'and':3 'darkwave':9 'disc':2 'ebm':6 'eid':5 'go':4 'industrial':8 'or':7
                                    'search_combo'  '00dwimp':12 '16volt':4B 'and':1A,14 'best':6C 'darkwave':20 'disc':13 'ebm':17 'eid':16 'go':3A,15 'i':2A 'industrial':19 'of':7C 'or':18 'sixteen':8C 'the':5C 'tm':11C 'volt':10C 'volttm':9C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-1', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['industrial rock', 'industrial', 'coldwave', 'industrial metal', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620298480.8115788  (2021-05-06 12:54:40)
                             'size'  4294095