======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '247'
                                          'artist'  'P. Miles Bryson'
                                     'text_people'  ''
                                         'release'  "Megalomaniac Decorator's Quarterly"
                                           'title'  'Neo-Revivalist-Retro-Summer-Splash'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'humorous', 'spoof coctail', 'surreal', 'easy listening']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '20'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '100.8'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Megalomaniac Decorator's Quarterly"
'TBPM' (BPM (beats per minute))                     '100.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Neo-Revivalist-Retro-Summer-Splash'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '247186'
'TPE1' (Lead performer(s)/Soloist(s))               'P. Miles Bryson'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/20'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['lounge', 'humorous', 'spoof coctail', 'surreal', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.99 dB'
'TXXX:replaygain_track_peak'                        '0.405858'

========================== row from database ==========================
                                              'id'  1373566
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/P. Miles Bryson - p.miles bryson - megalomaniac decorators quarterly (2005)/02 P. Miles Bryson - Neo-Revivalist-Retro-Summer-Splash.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  247
                                           'genre'  electronic-unsorted
                                        'filesize'  9994734
                                           'mtime'  1622756810
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm p.miles bryson megalomaniac decorators quarterly (2005) 02 electronic unsorted
                                      'tag_artist'  P. Miles Bryson
                                     'tag_release'  Megalomaniac Decorator's Quarterly
                                       'tag_title'  Neo-Revivalist-Retro-Summer-Splash
                                             'bpm'  100.8
                                    'search_title'  'neo':1 'neorevivalistretrosummersplash':6 'retro':3 'revivalist':2 'splash':5 'summer':4
                                   'search_artist'  'bryson':4 'miles':3 'p':1,2
                                  'search_release'  'decorator':2 'decorators':4 'megalomaniac':1 'quarterly':5 's':3
                                     'search_rest'  '2005':8,9 'bryson':4 'decorators':6 'electronic':10 'megalomaniac':5 'miles':2 'p':1 'pmiles':3 'quarterly':7 'unsorted':11
                                    'search_combo'  '2005':23,24 'bryson':10B,19 'decorator':12C 'decorators':14C,21 'electronic':25 'megalomaniac':11C,20 'miles':9B,17 'neo':1A 'neorevivalistretrosummersplash':6A 'p':7B,8B,16 'pmiles':18 'quarterly':15C,22 'retro':3A 'revivalist':2A 's':13C 'splash':5A 'summer':4A 'unsorted':26
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'humorous', 'spoof coctail', 'surreal', 'easy listening']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622756810.0642114  (2021-06-03 23:46:50)
                             'size'  9994734