======================== unified (from filesystem) ========================
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                                        'duration'  '256'
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                                      'lastfmtags'  "['indie', 'rock', 'scotland', 'indie rock', 'scottish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '144'
                                             'key'  '10B'
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rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:http://www.cdtag.com:\x02\x00Î&o\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xce&o\x00')
'TALB' (Album/Movie/Show title)                     'These Four Walls'
'TBPM' (BPM (beats per minute))                     '144'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-07-29'
'TIT2' (Title/songname/content description)         'Roll Up Your Sleeves'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'We Were Promised Jetpacks'
'TPE2' (Band/orchestra/accompaniment)               'We Were Promised Jetpacks'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'FatCat Records'
'TRCK' (Track number/Position in set)               '3/11'
'TSO2'                                              'We Were Promised Jetpacks'
'TSOP' (Performer sort order)                       'We Were Promised Jetpacks'
'TXXX:Acoustid Id'                                  'c2a86410-bf40-4cbf-b015-7df413525dfe'
'TXXX:Artists'                                      'We Were Promised Jetpacks'
'TXXX:CATALOGNUMBER'                                'FATLP72'
'TXXX:MusicBrainz Album Artist Id'                  '8f0e0596-5a39-4bd5-9dfa-f2b12030ffdc'
'TXXX:MusicBrainz Album Id'                         '08c90c15-a83f-3e50-9ad2-105d7dd1312a'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8f0e0596-5a39-4bd5-9dfa-f2b12030ffdc'
'TXXX:MusicBrainz Release Group Id'                 'fa770dce-0375-3dcd-8e81-a143b5d39b31'
'TXXX:MusicBrainz Release Track Id'                 '258df07b-59da-3878-b3d5-cbd0e977f595'
'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:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2009-04-28'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CD (LP)'
'TXXX:lastfmtags'                                   ['indie', 'rock', 'scotland', 'indie rock', 'scottish']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.395422'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f68187c0-dd62-4fcd-9eea-9189f17499f6')

========================== row from database ==========================
                                              'id'  1378565
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/We Were Promised Jetpacks - We Were Promised Jet Packs/These Four Walls/03 roll up your sleeves.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  256
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6672541
                                           'mtime'  1638554889
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Packs 03 roll up your sleeves ifs songwriter indie rock
                                      'tag_artist'  We Were Promised Jetpacks
                                     'tag_release'  These Four Walls
                                       'tag_title'  Roll Up Your Sleeves
                                             'bpm'  144.0
                                    'search_title'  'roll':1 'sleeves':4 'up':2 'your':3
                                   'search_artist'  'jetpacks':4 'promised':3 'we':1 'were':2
                                  'search_release'  'four':2 'these':1 'walls':3
                                     'search_rest'  '00poprockelectronic':1 'ifs':9 'indie':11 'indierock':3 'packs':4 'poprock':2 'rock':12 'roll':5 'sleeves':8 'songwriter':10 'up':6 'your':7
                                    'search_combo'  '00poprockelectronic':12 'four':10C 'ifs':20 'indie':22 'indierock':14 'jetpacks':8B 'packs':15 'poprock':13 'promised':7B 'rock':23 'roll':1A,16 'sleeves':4A,19 'songwriter':21 'these':9C 'up':2A,17 'walls':11C 'we':5B 'were':6B 'your':3A,18
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'rock', 'scotland', 'indie rock', 'scottish']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554889.309378  (2021-12-03 19:08:09)
                             'size'  6672541