======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '471'
                                          'artist'  'Agalloch'
                                     'text_people'  ''
                                         'release'  'Pale Folklore'
                                           'title'  'Dead Winter Days'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk metal', 'metal', 'black metal', 'doom metal', 'progressive metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '94.8'
                                             'key'  '1A'
                                        'acoustid'  '67592203-910f-421f-9d61-95abe60e8626'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Pale Folklore'
'TBPM' (BPM (beats per minute))                     '94.8'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '2007-06-12'
'TIT2' (Title/songname/content description)         'Dead Winter Days'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Agalloch'
'TPE2' (Band/orchestra/accompaniment)               'Agalloch'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mystic Empire'
'TRCK' (Track number/Position in set)               '6/8'
'TSO2'                                              'Agalloch'
'TSOP' (Performer sort order)                       'Agalloch'
'TXXX:Acoustid Id'                                  '67592203-910f-421f-9d61-95abe60e8626'
'TXXX:CATALOGNUMBER'                                'MYST CD 221'
'TXXX:MusicBrainz Album Artist Id'                  '3d46727d-9367-47b8-8b8b-f7b6767f7d57'
'TXXX:MusicBrainz Album Id'                         'da885cae-1287-4d88-9ad1-0af5a8a113e0'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3d46727d-9367-47b8-8b8b-f7b6767f7d57'
'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'                                   ['folk metal', 'metal', 'black metal', 'doom metal', 'progressive metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.601531'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fdb44de0-d698-44a9-b01b-e283d77f68b9')

========================== row from database ==========================
                                              'id'  1397947
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00black/Agalloch - Pale Folklore/06 Dead Winter Days.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  471
                                           'genre'  eid-metal-black
                                        'filesize'  19660969
                                           'mtime'  1620301292
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00black 06 eid metal black
                                      'tag_artist'  Agalloch
                                     'tag_release'  Pale Folklore
                                       'tag_title'  Dead Winter Days
                                             'bpm'  94.8
                                    'search_title'  'days':3 'dead':1 'winter':2
                                   'search_artist'  'agalloch':1
                                  'search_release'  'folklore':2 'pale':1
                                     'search_rest'  '00black':3 '00dwimp':1 '00metal':2 'black':6 'eid':4 'metal':5
                                    'search_combo'  '00black':9 '00dwimp':7 '00metal':8 'agalloch':4B 'black':12 'days':3A 'dead':1A 'eid':10 'folklore':6C 'metal':11 'pale':5C 'winter':2A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  1A
                                           '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-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['folk metal', 'metal', 'black metal', 'doom metal', 'progressive metal']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301292.209679  (2021-05-06 13:41:32)
                             'size'  19660969