======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '167'
                                          'artist'  'Bangles'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Hazy Shade of Winter'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'pop', 'female vocalists', 'new wave', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-zomg80s;set-pl-billboard'
                                             'bpm'  '100.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-zomg80s', 'set-pl-billboard']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Hazy Shade of Winter'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bangles'
'TXXX:Mp3gain_minmax'                               '114,188'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'pop', 'female vocalists', 'new wave', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.598510'

========================== row from database ==========================
                                              'id'  1523282
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/DSA/Bangles - Hazy Shade of Winter.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  167
                                           'genre'  electronic-we-disco or italo;set-pl-zomg80s;set-pl-billboard
                                        'filesize'  2675252
                                           'mtime'  1620537477
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s DSA electronic we disco or italo;set pl zomg80s;set pl billboard
                                      'tag_artist'  Bangles
                                     'tag_release'  None
                                       'tag_title'  Hazy Shade of Winter
                                             'bpm'  100.1
                                    'search_title'  'hazy':1 'of':3 'shade':2 'winter':4
                                   'search_artist'  'bangles':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'billboard':20 'disco':2 'dsa':7 'electronic':8 'italo':11,13 'or':10 'pl':15 's':4,6 'set':12,14,17,19 'we':9 'zomg80s':16,18
                                    'search_combo'  '00poprockelectronic':6 '70':8 '80':10 'bangles':5B 'billboard':25 'disco':7 'dsa':12 'electronic':13 'hazy':1A 'italo':16,18 'of':3A 'or':15 'pl':20 's':9,11 'set':17,19,22,24 'shade':2A 'we':14 'winter':4A 'zomg80s':21,23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'pop', 'female vocalists', 'new wave', 'rock']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537477.2406874  (2021-05-09 07:17:57)
                             'size'  2675252