======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '169'
                                          'artist'  'Lit'
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                                           'title'  'My Own Worst Enemy'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['alternative rock', 'punk rock', 'pop punk', 'punk', 'rock', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '103'
                                             'key'  '4A'
                                        'acoustid'  'f9eccf57-faec-4e7f-aa8a-c489994de397'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Place in the Sun'
'TBPM' (BPM (beats per minute))                     '103'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-08-21'
'TIT2' (Title/songname/content description)         'My Own Worst Enemy'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lit'
'TPE2' (Band/orchestra/accompaniment)               'Lit'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG Japan'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Lit'
'TSOP' (Performer sort order)                       'Lit'
'TSRC' (ISRC (international standard recording code))  'USRC19808159'
'TXXX:ASIN'                                         'B00001ZTFG'
'TXXX:Acoustid Id'                                  'f9eccf57-faec-4e7f-aa8a-c489994de397'
'TXXX:Artists'                                      'Lit'
'TXXX:BARCODE'                                      '4988017088050'
'TXXX:CATALOGNUMBER'                                'BVCP-21072'
'TXXX:MusicBrainz Album Artist Id'                  '5ccb9a53-092d-4806-b337-470a582893d7'
'TXXX:MusicBrainz Album Id'                         '60b8de88-5f6e-4062-912b-07672a2ad1a5'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5ccb9a53-092d-4806-b337-470a582893d7'
'TXXX:MusicBrainz Release Group Id'                 'b28e3c3e-8e4f-330b-838b-3c1a917097f3'
'TXXX:MusicBrainz Release Track Id'                 'bb84ffdd-ae54-364b-9cf9-34f2611ff632'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['alternative rock', 'punk rock', 'pop punk', 'punk', 'rock', 'alternative']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.343069'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6dbee7a1-0b52-4974-888f-8127c1ad47b4')

========================== row from database ==========================
                                              'id'  1419885
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Lit/A Place In The Sun/Lit - My own worst enemy.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  169
                                           'genre'  rock-gr-punk
                                        'filesize'  4766834
                                           'mtime'  1622659010
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner In The own worst enemy rock gr punk
                                      'tag_artist'  Lit
                                     'tag_release'  A Place in the Sun
                                       'tag_title'  My Own Worst Enemy
                                             'bpm'  103.0
                                    'search_title'  'enemy':4 'my':1 'own':2 'worst':3
                                   'search_artist'  'lit':1
                                  'search_release'  'a':1 'in':3 'place':2 'sun':5 'the':4
                                     'search_rest'  'enemy':9 'garage':2 'gr':11 'in':5 'own':7 'punk':1 'rock':10 'stoner':4 'surf':3 'the':6 'worst':8
                                    'search_combo'  'a':6C 'enemy':4A,19 'garage':12 'gr':21 'in':8C,15 'lit':5B 'my':1A 'own':2A,17 'place':7C 'punk':11 'rock':20 'stoner':14 'sun':10C 'surf':13 'the':9C,16 'worst':3A,18
                                    'tag_tracknum'  2
                                      '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-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'punk rock', 'pop punk', 'punk', 'rock', 'alternative']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659010.4772582  (2021-06-02 20:36:50)
                             'size'  4766834