======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '136'
                                          'artist'  'Less Than Jake'
                                     'text_people'  ''
                                         'release'  'Greased'
                                           'title'  'Beauty School Dropout'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'punk rock', 'ska', 'punk', 'rock']"
                                     'discogstags'  "['rock', 'ska', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '8'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '137'
                                             'key'  '12B'
                                        'acoustid'  '4eb6bf48-716b-4f45-ba12-3d72a95b1231'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Greased'
'TBPM' (BPM (beats per minute))                     '137'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '2003-11-11'
'TIT2' (Title/songname/content description)         'Beauty School Dropout'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Less Than Jake'
'TPE2' (Band/orchestra/accompaniment)               'Less Than Jake'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'No Idea'
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Less Than Jake'
'TSOP' (Performer sort order)                       'Less Than Jake'
'TXXX:Acoustid Id'                                  '4eb6bf48-716b-4f45-ba12-3d72a95b1231'
'TXXX:Artists'                                      'Less Than Jake'
'TXXX:CATALOGNUMBER'                                'NO IDEA 46'
'TXXX:Mp3gain_minmax'                               '081,185'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'TXXX:MusicBrainz Album Artist Id'                  'e54e065f-0ce6-4779-9a9a-afd7b997471f'
'TXXX:MusicBrainz Album Id'                         '0bbc6773-8490-4920-a1de-f29ccc484e43'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'e54e065f-0ce6-4779-9a9a-afd7b997471f'
'TXXX:MusicBrainz Release Group Id'                 '07c9000d-3dcd-3715-b847-2fe2e09e47b3'
'TXXX:MusicBrainz Release Track Id'                 'e39280a0-9359-4744-b278-9c02a5eed1bd'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'ska', 'punk']
'TXXX:lastfmtags'                                   ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.680180'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0891888f-2db5-46a1-b27f-6fd0a85b9ef8')

========================== row from database ==========================
                                              'id'  1336105
                                            'path'  /data/Music/Bulk/00poprockelectronic/Less Than Jake/Greased/Less Than Jake - Beauty School Dropout.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  136
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  2277458
                                           'mtime'  1621637843
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock gr punk ska
                                      'tag_artist'  Less Than Jake
                                     'tag_release'  Greased
                                       'tag_title'  Beauty School Dropout
                                             'bpm'  137.0
                                    'search_title'  'beauty':1 'dropout':3 'school':2
                                   'search_artist'  'jake':3 'less':1 'than':2
                                  'search_release'  'greased':1
                                     'search_rest'  '00poprockelectronic':1 'gr':3 'punk':4 'rock':2 'ska':5
                                    'search_combo'  '00poprockelectronic':8 'beauty':1A 'dropout':3A 'gr':10 'greased':7C 'jake':6B 'less':4B 'punk':11 'rock':9 'school':2A 'ska':12 'than':5B
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'ska', 'punk']

============================== file details ==============================
                                           'mtime'  1621637843.0095391  (2021-05-22 00:57:23)
                             'size'  2277458