======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Paradise Lost'
                                     'text_people'  ''
                                         'release'  'Icon'
                                           'title'  'Dying Freedom'
                                           '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-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'gothic', 'doom metal', 'death metal', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '15'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '129.3'
                                             'key'  '8A'
                                        'acoustid'  '66e7d1c4-f148-437e-9867-7121c6796a0a'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Icon'
'TBPM' (BPM (beats per minute))                     '129.3'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '2012-08-28'
'TIT2' (Title/songname/content description)         'Dying Freedom'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Paradise Lost'
'TPE2' (Band/orchestra/accompaniment)               'Paradise Lost'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'The End Records'
'TRCK' (Track number/Position in set)               '5/15'
'TSO2'                                              'Paradise Lost'
'TSOP' (Performer sort order)                       'Paradise Lost'
'TXXX:ASIN'                                         'B007ZU6HFU'
'TXXX:Acoustid Id'                                  '66e7d1c4-f148-437e-9867-7121c6796a0a'
'TXXX:BARCODE'                                      '654436022923'
'TXXX:CATALOGNUMBER'                                'TE229'
'TXXX:MusicBrainz Album Artist Id'                  '10bf95b6-30e3-44f1-817f-45762cdc0de0'
'TXXX:MusicBrainz Album Id'                         '6678bc4c-d4bd-4b0c-8c53-e64841dc4392'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '10bf95b6-30e3-44f1-817f-45762cdc0de0'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal', 'gothic', 'doom metal', 'death metal', 'gothic metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.565992'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'58b71bcc-97da-4d56-a41e-60376797c5d9')

========================== row from database ==========================
                                              'id'  1398448
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Paradise Lost/Icon/Paradise Lost - Dying Freedom.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  3585194
                                           'mtime'  1620310304
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal doom or gothic
                                      'tag_artist'  Paradise Lost
                                     'tag_release'  Icon
                                       'tag_title'  Dying Freedom
                                             'bpm'  129.3
                                    'search_title'  'dying':1 'freedom':2
                                   'search_artist'  'lost':2 'paradise':1
                                  'search_release'  'icon':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'doom':5 'eid':3 'gothic':7 'metal':4 'or':6
                                    'search_combo'  '00dwimp':6 '00metal':7 'doom':10 'dying':1A 'eid':8 'freedom':2A 'gothic':12 'icon':5C 'lost':4B 'metal':9 'or':11 'paradise':3B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'gothic', 'doom metal', 'death metal', 'gothic metal']
                                        'tag_date'  2012
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310303.958263  (2021-05-06 16:11:43)
                             'size'  3585194