======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '157'
                                          'artist'  'Techniques'
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                                      'lastfmtags'  "['rocksteady', 'reggae', 'ska', 'jamaican', 'dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
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                                        'comments'  'http://www.goldhunt.fsnet.co.uk/Grumpy/'
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                                             'bpm'  '140.4'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:SL Comment:eng'                               'http://grumpyarchiveblog.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Grumpy 100712'
'TBPM' (BPM (beats per minute))                     '140.4'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'The Wisest Man You Know'
'TIT3' (Subtitle/Description refinement)            'http://www.goldhunt.fsnet.co.uk/Grumpy/'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Techniques'
'TPE2' (Band/orchestra/accompaniment)               'Techniques'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rocksteady', 'reggae', 'ska', 'jamaican', 'dub']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.386090'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.goldhunt.fsnet.co.uk/Grumpy/')

========================== row from database ==========================
                                              'id'  1533805
                                            'path'  /data/Music/Bulk/00spent/More Grumpy_s (027)/Techniques - The Wisest Man You Know.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  157
                                           'genre'  set-th-novelty
                                        'filesize'  2544513
                                           'mtime'  1621696530
                                   'redo_metaread'  0
                                        'rest_str'   00spent More Grumpy_s (027) set th novelty
                                      'tag_artist'  Techniques
                                     'tag_release'  Grumpy 100712
                                       'tag_title'  The Wisest Man You Know
                                             'bpm'  140.4
                                    'search_title'  'know':5 'man':3 'the':1 'wisest':2 'you':4
                                   'search_artist'  'techniques':1
                                  'search_release'  '100712':2 'grumpy':1
                                     'search_rest'  '00spent':1 '027':5,6 'grumpy':3 'more':2 'novelty':9 's':4 'set':7 'th':8
                                    'search_combo'  '00spent':9 '027':13,14 '100712':8C 'grumpy':7C,11 'know':5A 'man':3A 'more':10 'novelty':17 's':12 'set':15 'techniques':6B 'th':16 'the':1A 'wisest':2A 'you':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rocksteady', 'reggae', 'ska', 'jamaican', 'dub']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696530.3825412  (2021-05-22 17:15:30)
                             'size'  2544513