======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '219'
                                          'artist'  'Belinda Carlisle'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Circle in the Sand'
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 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['80s', 'female vocalists', 'pop', 'summer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '125.939'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '125.939'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Circle in the Sand'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Belinda Carlisle'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'TXXX:MusicBrainz Album Artist Id'                  '2925aac9-5474-4030-b8a3-4151107010b2'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'female vocalists', 'pop', 'summer']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.596529'
'TXXX:ÿþuMisBcarni zlAub mrAittsS rontma'           ['eaClrsiel ,eBildn', 'a']
'TXXX:ÿþuMisMcgaciD ta'                             'agAAEABYsyieC7ZW05gX4zMkPtiBWI43Ky5cSTYccwhS4KYTSJlwravvzsyHL8l0o9gAaQA7N2g2g7ry2Mguq/E7V6A0Sc/v3SuHSZYZg+lwaYx2JUD6woUR8ggEKNlywem7opdqHBBw2oYFZQ5w+7i63M12W4oDMogrrJk2OwAFHoPaNZu0TfR0nkqET65prlh=o'

========================== row from database ==========================
                                              'id'  1527487
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Belinda Carlisle - Circle In The Sand.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  219
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3518362
                                           'mtime'  1628353612
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s In The electronic generic or radio unsorted
                                      'tag_artist'  Belinda Carlisle
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Circle in the Sand
                                             'bpm'  125.939
                                    'search_title'  'circle':1 'in':2 'sand':4 'the':3
                                   'search_artist'  'belinda':1 'carlisle':2
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'electronic':7 'generic':8 'in':6 'of':2 'or':9 'radio':10 's':5 'the':3 'unsorted':11
                                    'search_combo'  '00poprockelectronic':11 '80':14 '80s':10C 'belinda':5B 'carlisle':6B 'circle':1A 'electronic':17 'generic':18 'hits':7C 'in':2A,16 'of':8C,12 'or':19 'radio':20 's':15 'sand':4A 'the':3A,9C,13 'unsorted':21
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'female vocalists', 'pop', 'summer']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353612.4676526  (2021-08-07 18:26:52)
                             'size'  3518362