======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '131'
                                          'artist'  'Ruth White'
                                     'text_people'  ''
                                         'release'  'Short Circuits'
                                           'title'  'Polka From "The Age Of Gold"'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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                                      'lastfmtags'  "['avant garde', 'electronic', 'moog', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'classical', 'baroque', 'modern', 'synth-pop', 'romantic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '14'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '87.2'
                                             'key'  '10A'
                                        'acoustid'  '15a40c8c-1ad6-4349-a2d3-71085591166a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '1'
'COMM:ID3v1 Comment:eng'                            '1'
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'TBPM' (BPM (beats per minute))                     '87.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDOR' (Original release time)                      '1971'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Polka From "The Age Of Gold"'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Ruth White'
'TPE2' (Band/orchestra/accompaniment)               'Ruth White'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Angel Records'
'TRCK' (Track number/Position in set)               '11/14'
'TSO2'                                              'White, Ruth'
'TSOP' (Performer sort order)                       'White, Ruth'
'TXXX:Acoustid Id'                                  '15a40c8c-1ad6-4349-a2d3-71085591166a'
'TXXX:Artists'                                      'Ruth White'
'TXXX:CATALOGNUMBER'                                'S-36042'
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'TXXX:MusicBrainz Album Id'                         'a924c726-ad6b-4098-9086-a4b966526fb0'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'db5c57e0-d89d-4635-bcd2-9a22edc2536f'
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'TXXX:MusicBrainz Release Track Id'                 '98236e04-d888-49e3-b871-29c72c065045'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'classical', 'baroque', 'modern', 'synth-pop', 'romantic']
'TXXX:lastfmtags'                                   ['avant garde', 'electronic', 'moog', 'experimental', 'ambient']
'TXXX:originalyear'                                 '1971'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.57 dB'
'TXXX:replaygain_track_peak'                        '0.585233'
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========================== row from database ==========================
                                              'id'  762668
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ruth White/[1972] Short Circuits/11. Polka From The Age Of Gold (Shostakovich).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  131
                                           'genre'  electronic-experimental-early
                                        'filesize'  3276267
                                           'mtime'  1636496864
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1972] 11. (Shostakovich) electronic experimental early
                                      'tag_artist'  Ruth White
                                     'tag_release'  Short Circuits
                                       'tag_title'  Polka From "The Age Of Gold"
                                             'bpm'  87.2
                                    'search_title'  'age':4 'from':2 'gold':6 'of':5 'polka':1 'the':3
                                   'search_artist'  'ruth':1 'white':2
                                  'search_release'  'circuits':2 'short':1
                                     'search_rest'  '11':3,4 '1972':1,2 'early':9 'electronic':7 'experimental':8 'shostakovich':5,6
                                    'search_combo'  '11':13,14 '1972':11,12 'age':4A 'circuits':10C 'early':19 'electronic':17 'experimental':18 'from':2A 'gold':6A 'of':5A 'polka':1A 'ruth':7B 'short':9C 'shostakovich':15,16 'the':3A 'white':8B
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'electronic', 'moog', 'experimental', 'ambient']
                                        'tag_date'  1971
                                     'discogstags'  ['electronic', 'classical', 'baroque', 'modern', 'synth-pop', 'romantic']

============================== file details ==============================
                                           'mtime'  1636496863.8923824  (2021-11-09 23:27:43)
                             'size'  3276267