======================== unified (from filesystem) ========================
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                                        'duration'  '179'
                                          'artist'  'Mike Hankinson'
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                                         'release'  'The Unusual Classical Synthesizer'
                                           'title'  'Concerto in A minor (Bach)'
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                                      'lastfmtags'  ("['contemporary classical', 'composers', 'modern classical', 'experimental', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth-moog'
                                             'bpm'  '127.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth-moog']
'TDRC' (Recording time)                             '1972'
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         'Concerto in A minor (Bach)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mike Hankinson'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'classical', 'modern classical', 'experimental']
'TXXX:lastfmtags'                                   ['contemporary classical',
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'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
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========================== row from database ==========================
                                              'id'  767186
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Early Moog & Synthesizer Music/[1972] Mike Hankinson - The Unusual Classical Synthesizer/05. Concerto in A minor (Bach).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  179
                                           'genre'  electronic-experimental-early;mi-earlysynth-moog
                                        'filesize'  4309033
                                           'mtime'  1636921138
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Early Moog & Music [1972] 05. electronic experimental early;mi earlysynth moog
                                      'tag_artist'  Mike Hankinson
                                     'tag_release'  The Unusual Classical Synthesizer
                                       'tag_title'  Concerto in A minor (Bach)
                                             'bpm'  127.4
                                    'search_title'  'a':3 'bach':5,6 'concerto':1 'in':2 'minor':4
                                   'search_artist'  'hankinson':2 'mike':1
                                  'search_release'  'classical':3 'synthesizer':4 'the':1 'unusual':2
                                     'search_rest'  '05':6,7 '1972':4,5 'early':1,10,12 'earlysynth':14 'electronic':8 'experimental':9 'mi':11,13 'moog':2 'music':3
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                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'composers', 'modern classical', 'experimental', 'easy listening']
                                        'tag_date'  1972
                                     'discogstags'  ['electronic', 'classical', 'modern classical', 'experimental']

============================== file details ==============================
                                           'mtime'  1636921137.8660734  (2021-11-14 21:18:57)
                             'size'  4309033