======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '495'
                                          'artist'  'My Dying Bride'
                                     'text_people'  ''
                                         'release'  'As the Flower Withers'
                                           'title'  'Vast Choirs'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['melancholic', 'death metal', 'doom metal', 'metal', 'gothic metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '7'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '143.2'
                                             'key'  '4A'
                                        'acoustid'  '35007e4f-73e2-4580-8c0a-97247c781041'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'As the Flower Withers'
'TBPM' (BPM (beats per minute))                     '143.2'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Vast Choirs'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'My Dying Bride'
'TPE2' (Band/orchestra/accompaniment)               'My Dying Bride'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Peaceville'
'TRCK' (Track number/Position in set)               '5/7'
'TSO2'                                              'My Dying Bride'
'TSOP' (Performer sort order)                       'My Dying Bride'
'TXXX:Acoustid Id'                                  '35007e4f-73e2-4580-8c0a-97247c781041'
'TXXX:Artists'                                      'My Dying Bride'
'TXXX:BARCODE'                                      '5020157103220'
'TXXX:CATALOGNUMBER'                                'CDVILE 32'
'TXXX:MusicBrainz Album Artist Id'                  '2f04ad1f-9f97-41d0-a09c-59c40dfe9cd1'
'TXXX:MusicBrainz Album Id'                         '2ed29437-493c-4ff6-b487-40cad2c9d7fd'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2f04ad1f-9f97-41d0-a09c-59c40dfe9cd1'
'TXXX:MusicBrainz Release Group Id'                 '93267b44-6f6e-3a5d-939b-21c11b737af6'
'TXXX:MusicBrainz Release Track Id'                 'b85661c8-5704-4ded-96e0-e0f0a2407036'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['melancholic', 'death metal', 'doom metal', 'metal', 'gothic metal']
'TXXX:originalyear'                                 '1992'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.526492'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ad8af094-f7e3-4415-a77f-15987ed651e8')

========================== row from database ==========================
                                              'id'  1399358
                                            'path'  /data/Music/Bulk/00dwimp/00metal/My Dying Bride/As The Flower Withers/my dying bride - as the flower withers - 05 - vast choirs.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  495
                                           'genre'  eid-metal-death
                                        'filesize'  11906360
                                           'mtime'  1620302084
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal The my dying bride flower withers 05 vast choirs eid metal death
                                      'tag_artist'  My Dying Bride
                                     'tag_release'  As the Flower Withers
                                       'tag_title'  Vast Choirs
                                             'bpm'  143.2
                                    'search_title'  'choirs':2 'vast':1
                                   'search_artist'  'bride':3 'dying':2 'my':1
                                  'search_release'  'as':1 'flower':3 'the':2 'withers':4
                                     'search_rest'  '00dwimp':1 '00metal':2 'bride':6 'choirs':10 'death':13 'dying':5 'eid':11 'flower':7 'metal':12 'my':4 'the':3 'vast':9 'withers':8
                                    'search_combo'  '00dwimp':10 '00metal':11 'as':6C 'bride':5B,15 'choirs':2A,19 'death':22 'dying':4B,14 'eid':20 'flower':8C,16 'metal':21 'my':3B,13 'the':7C,12 'vast':1A,18 'withers':9C,17
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['melancholic', 'death metal', 'doom metal', 'metal', 'gothic metal']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620302083.6924996  (2021-05-06 13:54:43)
                             'size'  11906360