======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '347'
                                          'artist'  'Donna Summer'
                                     'text_people'  ''
                                         'release'  'Donna Summer'
                                           'title'  'State Of Independence'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', '70s', 'female vocalists', 'pop', 'disco']"
                                     'discogstags'  "['electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '84.561'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Donna Summer'
'TBPM' (BPM (beats per minute))                     '84.561'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'State Of Independence'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Donna Summer'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'disco']
'TXXX:lastfmtags'                                   ['dance', '70s', 'female vocalists', 'pop', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.93 dB'
'TXXX:replaygain_track_peak'                        '0.460005'

========================== row from database ==========================
                                              'id'  1327003
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Donna Summer/MBZ;#Donna Summer;#Donna Summer;#04;#State Of Independence.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  347
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8354537
                                           'mtime'  1620535252
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo MBZ;#Donna Summer;#Donna Summer;#04;#State electronic we disco or italo
                                      'tag_artist'  Donna Summer
                                     'tag_release'  Donna Summer
                                       'tag_title'  State Of Independence
                                             'bpm'  84.561
                                    'search_title'  'independence':3 'of':2 'state':1
                                   'search_artist'  'donna':1 'summer':2
                                  'search_release'  'donna':1 'summer':2
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '04':15,18 'disco':3 'donna':7,9,11,13 'electronic':20 'italo':5 'mbz':6,8 'or':22 'state':16,19 'summer':10,12,14,17 'waves':2 'we':21
                                    'search_combo'  '00disco':11 '00poprockelectronic':8 '04':22,25 'disco':10 'donna':4B,6C,14,16,18,20 'electronic':27 'independence':3A 'italo':12 'mbz':13,15 'of':2A 'or':29 'state':1A,23,26 'summer':5B,7C,17,19,21,24 'waves':9 'we':28
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dance', '70s', 'female vocalists', 'pop', 'disco']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'disco']

============================== file details ==============================
                                           'mtime'  1620535252.415792  (2021-05-09 06:40:52)
                             'size'  8354537