======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '279'
                                          'artist'  'The Horsemen'
                                     'text_people'  ''
                                         'release'  'Insane Music for Insane People Vol. 10'
                                           'title'  "What's What And Why It's Ever Done"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
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 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['minimal wave', 'post punk', 'cold wave']"
                                     'discogstags'  "['post-punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-mor'
                                             'bpm'  '145.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Insane Music for Insane People Vol. 10'
'TBPM' (BPM (beats per minute))                     '145.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-mor']
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         "What's What And Why It's Ever Done"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Horsemen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  ['post-punk', 'rock']
'TXXX:lastfmtags'                                   ['minimal wave', 'post punk', 'cold wave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.464089'
'TXXX:tracknum'                                     '07'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ernest Hembersin - Insane Music For Insane People Vol. 10 (Insane Music, 1986) [224k]/07 The Horsemen - What_s What And Why It_s Ever Done.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  279
                                           'genre'  electronic-unsorted;set-pl-mor
                                        'filesize'  7824534
                                           'mtime'  1642339768
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Ernest Hembersin For (Insane Music, 1986) [224k] 07 What_s It_s electronic unsorted;set mor
                                      'tag_artist'  The Horsemen
                                     'tag_release'  Insane Music for Insane People Vol. 10
                                       'tag_title'  What's What And Why It's Ever Done
                                             'bpm'  145.4
                                    'search_title'  'and':5 'done':11 'ever':10 'it':7 'its':9 's':2,8 'what':1,4 'whats':3 'why':6
                                   'search_artist'  'horsemen':2 'the':1
                                  'search_release'  'for':3 'insane':1 'music':2 'people':4 'vol':5,6
                                     'search_rest'  '1986':8,9 '224k':10,11 'electronic':16 'ernest':1 'for':3 'hembersin':2 'insane':4,5 'it':14 'mor':21 'music':6,7 's':13,15 'set':18,20 'unsorted':17,19 'what':12
                                    'search_combo'  '1986':27,28 '224k':29,30 'and':5A 'done':11A 'electronic':35 'ernest':20 'ever':10A 'for':16C,22 'hembersin':21 'horsemen':13B 'insane':14C,23,24 'it':7A,33 'its':9A 'mor':40 'music':15C,25,26 'people':17C 's':2A,8A,32,34 'set':37,39 'the':12B 'unsorted':36,38 'vol':18C,19C 'what':1A,4A,31 'whats':3A 'why':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['minimal wave', 'post punk', 'cold wave']
                                        'tag_date'  1986
                                     'discogstags'  ['post-punk', 'rock']

============================== file details ==============================
                                           'mtime'  1642339767.6638932  (2022-01-16 14:29:27)
                             'size'  7824534