======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '172'
                                          'artist'  'Batmobile'
                                     'text_people'  ''
                                         'release'  'Blast From the Past: The Worst and the Best'
                                           'title'  'Gates of Heaven'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '23'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '144'
                                             'key'  '4A'
                                        'acoustid'  '8167e1f0-0cbc-467c-8f41-fbd89c753b06'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000428 0000039C 0000111D'
'COMM:iTunNORM:eng'                                 (' 00000428 0000039C 0000111D 00000F43 00009C40 00009C40 00004596 00003CE7 '
 '00009C40 00009C40')
'TALB' (Album/Movie/Show title)                     'Blast From the Past: The Worst and the Best'
'TBPM' (BPM (beats per minute))                     '144'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1995-01-03'
'TIT2' (Title/songname/content description)         'Gates of Heaven'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TPE2' (Band/orchestra/accompaniment)               'Batmobile'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Jimco Records'
'TRCK' (Track number/Position in set)               '17/23'
'TSO2'                                              'Batmobile'
'TSOP' (Performer sort order)                       'Batmobile'
'TXXX:ASIN'                                         'B000064YCX'
'TXXX:Acoustid Id'                                  '8167e1f0-0cbc-467c-8f41-fbd89c753b06'
'TXXX:Artists'                                      'Batmobile'
'TXXX:BARCODE'                                      '4993275895593'
'TXXX:CATALOGNUMBER'                                'JICK-89559'
'TXXX:MusicBrainz Album Artist Id'                  'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Album Id'                         '4b6e567d-1f2a-4331-b14a-3014ac56e317'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Release Group Id'                 '6e455a1b-8126-337b-a8d9-4d80d076013f'
'TXXX:MusicBrainz Release Track Id'                 '3a433b74-a956-4097-ba57-ce7708f9e084'
'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:originalyear'                                 '1993'
'TXXX:q-bass'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.79 dB'
'TXXX:replaygain_track_peak'                        '0.720771'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b9bd0aca-c509-49f1-a1e2-11a556094069')

========================== row from database ==========================
                                              'id'  1309172
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1993 - Blast From The Past, The Worst & The Best/17 - Gates Of Heaven.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  172
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3489014
                                           'mtime'  1620526217
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 1993 Past, & 17 Of rock rockabilly psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  Blast From the Past: The Worst and the Best
                                       'tag_title'  Gates of Heaven
                                             'bpm'  144.0
                                    'search_title'  'gates':1 'heaven':3 'of':2
                                   'search_artist'  'batmobile':1
                                  'search_release'  'and':7 'best':8 'blast':1 'from':2 'past':4,5 'the':3 'worst':6
                                     'search_rest'  '00poprockelectronic':1 '1993':3 'musica':2 'of':6 'past':4,5 'psychobilly':9 'rock':7 'rockabilly':8
                                    'search_combo'  '00poprockelectronic':13 '1993':15 'and':11C 'batmobile':4B 'best':12C 'blast':5C 'from':6C 'gates':1A 'heaven':3A 'musica':14 'of':2A,18 'past':8C,9C,16,17 'psychobilly':21 'rock':19 'rockabilly':20 'the':7C 'worst':10C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526216.6183546  (2021-05-09 04:10:16)
                             'size'  3489014