======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '201'
                                          'artist'  'Generationals'
                                     'text_people'  ''
                                         'release'  'Heza'
                                           'title'  'Extra Free Year'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'new orleans', 'jangle pop', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '91.9'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Heza'
'TBPM' (BPM (beats per minute))                     '91.9'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Extra Free Year'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Generationals'
'TPE2' (Band/orchestra/accompaniment)               'Generationals'
'TPUB' (Publisher)                                  'Polyvinyl'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'new orleans', 'jangle pop', 'indie rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.318943'

========================== row from database ==========================
                                              'id'  1373299
                                            'path'  /data/Music/Bulk/00poprockelectronic/Generationals - Heza/02 - Generationals - Extra Free Year.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  201
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  8113485
                                           'mtime'  1642256415
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 ifs songwriter pop
                                      'tag_artist'  Generationals
                                     'tag_release'  Heza
                                       'tag_title'  Extra Free Year
                                             'bpm'  91.9
                                    'search_title'  'extra':1 'free':2 'year':3
                                   'search_artist'  'generationals':1
                                  'search_release'  'heza':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'pop':4 'songwriter':3
                                    'search_combo'  '00poprockelectronic':6 'extra':1A 'free':2A 'generationals':4B 'heza':5C 'ifs':7 'pop':9 'songwriter':8 'year':3A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'indie pop', 'new orleans', 'jangle pop', 'indie rock']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1642256415.4941084  (2022-01-15 15:20:15)
                             'size'  8113485