======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '228'
                                          'artist'  'Therapy?'
                                     'text_people'  ''
                                         'release'  'Semi-Detached'
                                           'title'  "Heaven's Gate"
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['alternative rock', 'alternative metal', 'metal', 'rock', 'alternative', "
 "'hard rock']")
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '156'
                                             'key'  '11B'
                                        'acoustid'  'e9659750-657c-4bb9-b984-fedcf78b8114'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'By    Hamlet Ii'
'TALB' (Album/Movie/Show title)                     'Semi-Detached'
'TBPM' (BPM (beats per minute))                     '156'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "Heaven's Gate"
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Therapy?'
'TPE2' (Band/orchestra/accompaniment)               'Therapy?'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A&M Records'
'TRCK' (Track number/Position in set)               '9/12'
'TSO2'                                              'Therapy?'
'TSOP' (Performer sort order)                       'Therapy?'
'TSRC' (ISRC (international standard recording code))  'GBAAM9800066'
'TXXX:Acoustid Id'                                  'e9659750-657c-4bb9-b984-fedcf78b8114'
'TXXX:Artists'                                      'Therapy?'
'TXXX:CATALOGNUMBER'                                'SDCDP1'
'TXXX:MusicBrainz Album Artist Id'                  '85226286-349a-4046-8dcf-f75b32baa6b1'
'TXXX:MusicBrainz Album Id'                         'f7b655af-4af4-40fe-abef-7fbb5192c05f'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'promotion'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '85226286-349a-4046-8dcf-f75b32baa6b1'
'TXXX:MusicBrainz Release Group Id'                 'c89317dd-c1ed-35a2-9392-5503ae6b4909'
'TXXX:MusicBrainz Release Track Id'                 '0b484cd0-8df7-43fe-8ff8-ed61bb3e3432'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock',
 'alternative metal',
 'metal',
 'rock',
 'alternative',
 'hard rock']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.342016'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ad631d5f-713b-4c4b-91e1-1d79a9a1aee3')

========================== row from database ==========================
                                              'id'  1513338
                                            'path'  /data/Music/Bulk/00dwimp/Therapy/Semi- Detached/Therapy - Heaven_s Gate - 09.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  228
                                           'genre'  eid-metal
                                        'filesize'  3662400
                                           'mtime'  1620301658
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Heaven_s 09 eid metal
                                      'tag_artist'  Therapy?
                                     'tag_release'  Semi-Detached
                                       'tag_title'  Heaven's Gate
                                             'bpm'  156.0
                                    'search_title'  'gate':4 'heaven':1 'heavens':3 's':2
                                   'search_artist'  'therapy':1
                                  'search_release'  'detached':2 'semi':1 'semidetached':3
                                     'search_rest'  '00dwimp':1 'eid':4 'heaven':2 'metal':5 's':3
                                    'search_combo'  '00dwimp':9 'detached':7C 'eid':12 'gate':4A 'heaven':1A,10 'heavens':3A 'metal':13 's':2A,11 'semi':6C 'semidetached':8C 'therapy':5B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'alternative metal', 'metal', 'rock', 'alternative', 'hard rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1620301658.4258335  (2021-05-06 13:47:38)
                             'size'  3662400