======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '125'
                                          'artist'  '9mm Parabellum Bullet'
                                     'text_people'  ''
                                         'release'  'Gjallarhorn'
                                           'title'  '(teenage) disaster'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'rock', 'japanese', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '7'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;set-pl-sced'
                                             'bpm'  '128.740'
                                             'key'  '1B'
                                        'acoustid'  '02a55ffb-131a-4d31-b6d2-022e4d659cbb'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000A87 00000C7E 000015CE'
'COMM:iTunNORM:eng'                                 (' 00000A87 00000C7E 000015CE 000018C6 000138AE 00002727 00006A22 00006B6B '
 '00013897 00004E37')
'TALB' (Album/Movie/Show title)                     'Gjallarhorn'
'TBPM' (BPM (beats per minute))                     '128.740'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-rock', 'set-pl-sced']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-12-08'
'TIT2' (Title/songname/content description)         '(teenage) disaster'
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '9mm Parabellum Bullet'
'TPE2' (Band/orchestra/accompaniment)               '9mm Parabellum Bullet'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '残響record'
'TRCK' (Track number/Position in set)               '1/7'
'TSO2'                                              '9mm Parabellum Bullet'
'TSOP' (Performer sort order)                       '9mm Parabellum Bullet'
'TXXX:ASIN'                                         'B000BXJNJU'
'TXXX:Acoustid Id'                                  '02a55ffb-131a-4d31-b6d2-022e4d659cbb'
'TXXX:BARCODE'                                      '4997225504559'
'TXXX:CATALOGNUMBER'                                'ZNR-008'
'TXXX:MusicBrainz Album Artist Id'                  'cb9b28ec-799f-44d8-a0b2-2eee3e8eb5b1'
'TXXX:MusicBrainz Album Id'                         '51584a44-b1c7-4b86-8dbe-b8df8c744ca9'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'cb9b28ec-799f-44d8-a0b2-2eee3e8eb5b1'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['indie', 'alternative', 'rock', 'japanese', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.72 dB'
'TXXX:replaygain_track_peak'                        '0.594982'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8c2e1164-c1e0-4d7b-88d4-148aad4b3c8f')

========================== row from database ==========================
                                              'id'  1383419
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/9mm Parabellum Bullet/[2005] Gjallarhorn/01 (teenage)disastar.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  125
                                           'genre'  ifs-songwriter-indie-rock;set-pl-sced
                                        'filesize'  5031498
                                           'mtime'  1636916311
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock [2005] 01 (teenage)disastar ifs songwriter indie rock;set pl sced
                                      'tag_artist'  9mm Parabellum Bullet
                                     'tag_release'  Gjallarhorn
                                       'tag_title'  (teenage) disaster
                                             'bpm'  128.74
                                    'search_title'  'disaster':3 'teenage':1,2
                                   'search_artist'  '9mm':1 'bullet':3 'parabellum':2
                                  'search_release'  'gjallarhorn':1
                                     'search_rest'  '00poprockelectronic':1 '2005':4,5 'disastar':7 'ifs':9 'indie':11 'indierock':3 'pl':16 'poprock':2 'rock':12,14 'sced':17 'set':13,15 'songwriter':10 'teenage':6 'teenagedisastar':8
                                    'search_combo'  '00poprockelectronic':8 '2005':11,12 '9mm':4B 'bullet':6B 'disastar':14 'disaster':3A 'gjallarhorn':7C 'ifs':16 'indie':18 'indierock':10 'parabellum':5B 'pl':23 'poprock':9 'rock':19,21 'sced':24 'set':20,22 'songwriter':17 'teenage':1A,2A,13 'teenagedisastar':15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'rock', 'japanese', 'j rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636916311.2152753  (2021-11-14 19:58:31)
                             'size'  5031498