======================== unified (from filesystem) ========================
                                         'bitrate'  '166.334'
                                        'duration'  '140'
                                          'artist'  'Batmobile'
                                     'text_people'  ''
                                         'release'  'Batmobile'
                                           'title'  'Zombie Riot'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '106.587'
                                             'key'  '1A'
                                        'acoustid'  '29efa1b7-5f4a-49f6-b304-493fb6f99ba4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:D\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'D\x12\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:cSM$zi\x9aA¢-vv.î|\x7f'  PRIV(owner='WM/WMCollectionGroupID', data=b'cSM$zi\x9aA\xa2-vv.\xee|\x7f')
'PRIV:WM/WMCollectionID:cSM$zi\x9aA¢-vv.î|\x7f'     PRIV(owner='WM/WMCollectionID', data=b'cSM$zi\x9aA\xa2-vv.\xee|\x7f')
'PRIV:WM/WMContentID:ë£\tP\x11m#@µ\x19\x81;Ý\x08<î'  PRIV(owner='WM/WMContentID', data=b'\xeb\xa3\tP\x11m#@\xb5\x19\x81;\xdd\x08<\xee')
'TALB' (Album/Movie/Show title)                     'Batmobile'
'TBPM' (BPM (beats per minute))                     '106.587'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1993'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['', '']])
'TIT2' (Title/songname/content description)         'Zombie Riot'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TPE2' (Band/orchestra/accompaniment)               'Batmobile'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              'Batmobile'
'TSOP' (Performer sort order)                       'Batmobile'
'TXXX:Acoustid Id'                                  '29efa1b7-5f4a-49f6-b304-493fb6f99ba4'
'TXXX:Artists'                                      'Batmobile'
'TXXX:MusicBrainz Album Artist Id'                  'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Album Id'                         'e1cdc6dc-36e7-4b71-ab09-ec6ef2d58c6d'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Release Group Id'                 '9efbe7c6-3454-3ded-8349-cc94ca306f81'
'TXXX:MusicBrainz Release Track Id'                 '4fb49220-c36f-3cf8-bd6b-05b541a4110f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.614012'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'37b0f5a6-3b31-4748-a0e9-10e1ecd853fe')

========================== row from database ==========================
                                              'id'  1310627
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1985 - batmobile/03 - Zombie Riot.mp3
                                         'working'  None
                                         'bitrate'  166
                                    'duration_sec'  140
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3022007
                                           'mtime'  1620526095
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 1985 batmobile 03 rock rockabilly or psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  Batmobile
                                       'tag_title'  Zombie Riot
                                             'bpm'  106.587
                                    'search_title'  'riot':2 'zombie':1
                                   'search_artist'  'batmobile':1
                                  'search_release'  'batmobile':1
                                     'search_rest'  '00poprockelectronic':1 '1985':3 'batmobile':4 'musica':2 'or':7 'psychobilly':8 'rock':5 'rockabilly':6
                                    'search_combo'  '00poprockelectronic':5 '1985':7 'batmobile':3B,4C,8 'musica':6 'or':11 'psychobilly':12 'riot':2A 'rock':9 'rockabilly':10 'zombie':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526094.9466972  (2021-05-09 04:08:14)
                             'size'  3022007