======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '250'
                                          'artist'  'Balkan Beat Box'
                                     'text_people'  ''
                                         'release'  'Balkan Beat Box'
                                           'title'  'Cha Cha'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gypsy', 'balkan', 'electronic', 'folk', 'world']"
                                     'discogstags'  ("['electronic', 'jazz', 'folk, world, & country', 'gypsy jazz', 'tribal', "
 "'future jazz', 'downtempo']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '100.257'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         (' 00000727 0000074C 00003C38 00002DB0 000222F7 000222F7 0000748B 00007375 '
 '000222F7 00004E4E')
'COMM:ID3v1 Comment:XXX'                            ' 00000727 0000074C 00003C38'
'PRIV:AverageLevel:ê\x15\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xea\x15\x00\x00')
'PRIV:PeakValue:Í~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xcd~\x00\x00')
'TALB' (Album/Movie/Show title)                     'Balkan Beat Box'
'TBPM' (BPM (beats per minute))                     '100.257'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Cha Cha'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Balkan Beat Box'
'TPE2' (Band/orchestra/accompaniment)               'Balkan Beat Box'
'TRCK' (Track number/Position in set)               '1/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic',
 'jazz',
 'folk, world, & country',
 'gypsy jazz',
 'tribal',
 'future jazz',
 'downtempo']
'TXXX:lastfmtags'                                   ['gypsy', 'balkan', 'electronic', 'folk', 'world']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.495326'

========================== row from database ==========================
                                              'id'  1237659
                                            'path'  /data/Music/Bulk/00localcharacter/Balkan Beat Box/[2005] Balkan Beat Box/01 Cha Cha.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  250
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  6050342
                                           'mtime'  1620528357
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2005] 01 loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Balkan Beat Box
                                     'tag_release'  Balkan Beat Box
                                       'tag_title'  Cha Cha
                                             'bpm'  100.257
                                    'search_title'  'cha':1
                                   'search_artist'  'balkan':1 'beat':2 'box':3
                                  'search_release'  'balkan':1 'beat':2 'box':3
                                     'search_rest'  '2005':1,2 'balkan':7 'brass':12 'gypsy':5 'klezmer':8,10 'loc':3 'mi':9,11 'or':6 'style':4
                                    'search_combo'  '2005':8,9 'balkan':2B,5C,14 'beat':3B,6C 'box':4B,7C 'brass':19 'cha':1A 'gypsy':12 'klezmer':15,17 'loc':10 'mi':16,18 'or':13 'style':11
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gypsy', 'balkan', 'electronic', 'folk', 'world']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'jazz', 'folk, world, & country', 'gypsy jazz', 'tribal', 'future jazz', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620528356.8003294  (2021-05-09 04:45:56)
                             'size'  6050342