======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '385'
                                          'artist'  'Asian Dub Foundation'
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                                      'lastfmtags'  "['alternative/trip hop/dub/electronic/hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-modern'
                                             'bpm'  '103'
                                             'key'  '3B'
                                        'acoustid'  'd86d662d-b90e-47d3-8425-51c4071d9adb'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Facts and Fictions'
'TBPM' (BPM (beats per minute))                     '103'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-modern'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-10-27'
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'TIT2' (Title/songname/content description)         'Rebel Warrior'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Asian Dub Foundation'
'TPE2' (Band/orchestra/accompaniment)               'Asian Dub Foundation'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nation Records'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Asian Dub Foundation'
'TSOP' (Performer sort order)                       'Asian Dub Foundation'
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'TXXX:Acoustid Id'                                  'd86d662d-b90e-47d3-8425-51c4071d9adb'
'TXXX:Artists'                                      'Asian Dub Foundation'
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'TXXX:CATALOGNUMBER'                                'NAT 58CD'
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'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   'alternative/trip hop/dub/electronic/hip hop'
'TXXX:originalyear'                                 '1995'
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'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
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'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
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'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
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'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'71f59ed4-248c-4b42-90e6-76942acf3aab')

========================== row from database ==========================
                                              'id'  1249964
                                            'path'  /data/Music/Bulk/00localcharacter/Asian Dub Foundation/asian dub foundation - facts and fiction/04-Rebel Warrior.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  385
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-modern
                                        'filesize'  6225062
                                           'mtime'  1620522946
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter asian dub foundation facts fiction 04 loc style reggae dub ska dancehall dub modern
                                      'tag_artist'  Asian Dub Foundation
                                     'tag_release'  Facts and Fictions
                                       'tag_title'  Rebel Warrior
                                             'bpm'  103.0
                                    'search_title'  'rebel':1 'warrior':2
                                   'search_artist'  'asian':1 'dub':2 'foundation':3
                                  'search_release'  'and':2 'facts':1 'fictions':3
                                     'search_rest'  'asian':1 'dancehall':10 'dub':2 'facts':4 'fiction':5 'foundation':3 'loc':6 'modern':11 'reggae':8 'ska':9 'style':7
                                    'search_combo'  'and':7C 'asian':3B,9 'dancehall':18 'dub':4B,10 'facts':6C,12 'fiction':13 'fictions':8C 'foundation':5B,11 'loc':14 'modern':19 'rebel':1A 'reggae':16 'ska':17 'style':15 'warrior':2A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-JZFKS-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative/trip hop/dub/electronic/hip hop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522946.4762406  (2021-05-09 03:15:46)
                             'size'  6225062