======================== unified (from filesystem) ========================
                                         'bitrate'  '234.524'
                                        'duration'  '209'
                                          'artist'  'White Noise'
                                     'text_people'  ''
                                         'release'  'Sound Mind'
                                           'title'  'Dark Matter'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['electronic', 'earwaves', 'psychedelic rock', 'psychedelic', 'avant garde', "
 "'experimental']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '17'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '144.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000088 000000C9 00000371 000004E9 0001F83B 0001F83B 00003041 00003681 '
 '0000E775 0000E78C')
'TALB' (Album/Movie/Show title)                     'Sound Mind'
'TBPM' (BPM (beats per minute))                     '144.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Dark Matter'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'White Noise'
'TRCK' (Track number/Position in set)               '3/17'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.96'
'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'
'TXXX:lastfmtags'                                   ['electronic',
 'earwaves',
 'psychedelic rock',
 'psychedelic',
 'avant garde',
 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.724856'

========================== row from database ==========================
                                              'id'  1372016
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/White Noise - Sound Mind/03 Dark Matter.mp3
                                         'working'  None
                                         'bitrate'  234
                                    'duration_sec'  209
                                           'genre'  electronic-experimental
                                        'filesize'  6207126
                                           'mtime'  1636917227
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 03 electronic experimental
                                      'tag_artist'  White Noise
                                     'tag_release'  Sound Mind
                                       'tag_title'  Dark Matter
                                             'bpm'  144.7
                                    'search_title'  'dark':1 'matter':2
                                   'search_artist'  'noise':2 'white':1
                                  'search_release'  'mind':2 'sound':1
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  'dark':1A 'electronic':7 'experimental':8 'matter':2A 'mind':6C 'noise':4B 'sound':5C 'white':3B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'earwaves', 'psychedelic rock', 'psychedelic', 'avant garde', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636917226.8413672  (2021-11-14 20:13:46)
                             'size'  6207126