======================== unified (from filesystem) ========================
                                         'bitrate'  '202.275'
                                        'duration'  '314'
                                          'artist'  'Xiu Xiu'
                                     'text_people'  ''
                                         'release'  'Fabulous Muscles'
                                           'title'  'Mike'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'post rock', 'electronic', 'indie rock', 'experimental']"
                                     'discogstags'  "['electronic', 'rock', 'abstract', 'noise', 'indie rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '137.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000DA5 00000FDB 000082CF 0000846D 00004A9C 00004A9C 00008000 00008000 '
 '0003A282 00004A85')
'TALB' (Album/Movie/Show title)                     'Fabulous Muscles'
'TBPM' (BPM (beats per minute))                     '137.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Mike'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Xiu Xiu'
'TPE2' (Band/orchestra/accompaniment)               'Xiu Xiu'
'TRCK' (Track number/Position in set)               '10'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'rock', 'abstract', 'noise', 'indie rock', 'experimental']
'TXXX:lastfmtags'                                   ['indie', 'post rock', 'electronic', 'indie rock', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.391403'

========================== row from database ==========================
                                              'id'  440573
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Xiu Xiu/[2004] Fabulous Muscles/10 Mike.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  314
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  8090486
                                           'mtime'  1628358099
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2004] 10 electronic experimental oddness
                                      'tag_artist'  Xiu Xiu
                                     'tag_release'  Fabulous Muscles
                                       'tag_title'  Mike
                                             'bpm'  137.3
                                    'search_title'  'mike':1
                                   'search_artist'  'xiu':1
                                  'search_release'  'fabulous':1 'muscles':2
                                     'search_rest'  '2004':1,2 'electronic':3 'experimental':4 'oddness':5
                                    'search_combo'  '2004':5,6 'electronic':7 'experimental':8 'fabulous':3C 'mike':1A 'muscles':4C 'oddness':9 'xiu':2B
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'post rock', 'electronic', 'indie rock', 'experimental']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'rock', 'abstract', 'noise', 'indie rock', 'experimental']

============================== file details ==============================
                                           'mtime'  1628358099.266026  (2021-08-07 19:41:39)
                             'size'  8090486