======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '247'
                                          'artist'  'Aphex Twin'
                                     'text_people'  ''
                                         'release'  'Expert Knob Twiddlers'
                                           'title'  'Eggy Toast'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['draq', 'drjazzmrfunkmusic', 'electric textures']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '89.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000002D9 000002C0 00002A2F 0000224E 00024451 00024451 00007EDF 00007818 '
 '00024298 000242C6')
'TALB' (Album/Movie/Show title)                     'Expert Knob Twiddlers'
'TBPM' (BPM (beats per minute))                     '89.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Eggy Toast'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aphex Twin'
'TPE2' (Band/orchestra/accompaniment)               'Aphex Twin'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['draq', 'drjazzmrfunkmusic', 'electric textures']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.71 dB'
'TXXX:replaygain_track_peak'                        '0.833500'

========================== row from database ==========================
                                              'id'  934106
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Aphex Twin/1998 - Expert Knob Twiddlers/03 Aphex Twin - Eggy Toast.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  247
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  6013021
                                           'mtime'  1620522405
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1998 03 electronic experimental glitch breakcore
                                      'tag_artist'  Aphex Twin
                                     'tag_release'  Expert Knob Twiddlers
                                       'tag_title'  Eggy Toast
                                             'bpm'  89.4
                                    'search_title'  'eggy':1 'toast':2
                                   'search_artist'  'aphex':1 'twin':2
                                  'search_release'  'expert':1 'knob':2 'twiddlers':3
                                     'search_rest'  '1998':1 'breakcore':5 'electronic':2 'experimental':3 'glitch':4
                                    'search_combo'  '1998':8 'aphex':3B 'breakcore':12 'eggy':1A 'electronic':9 'experimental':10 'expert':5C 'glitch':11 'knob':6C 'toast':2A 'twiddlers':7C 'twin':4B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['draq', 'drjazzmrfunkmusic', 'electric textures']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522405.2609339  (2021-05-09 03:06:45)
                             'size'  6013021