======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '241'
                                          'artist'  'Boney M'
                                     'text_people'  ''
                                         'release'  'Best of Boney M'
                                           'title'  'Brown Girl in the Ring'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['disco', 'pop', 'dance', '80s', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '105.6'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '11-11-2001'
'TALB' (Album/Movie/Show title)                     'Best of Boney M'
'TBPM' (BPM (beats per minute))                     '105.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Brown Girl in the Ring'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Boney M'
'TRCK' (Track number/Position in set)               '00'
'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'                                   ['disco', 'pop', 'dance', '80s', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.624263'

========================== row from database ==========================
                                              'id'  1524585
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Boney M/Boney M - Brown Girl In the Ring.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  241
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  3860580
                                           'mtime'  1620569076
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s In electronic we disco or italo
                                      'tag_artist'  Boney M
                                     'tag_release'  Best of Boney M
                                       'tag_title'  Brown Girl in the Ring
                                             'bpm'  105.6
                                    'search_title'  'brown':1 'girl':2 'in':3 'ring':5 'the':4
                                   'search_artist'  'boney':1 'm':2
                                  'search_release'  'best':1 'boney':3 'm':4 'of':2
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'electronic':8 'in':7 'italo':11 'or':10 's':4,6 'we':9
                                    'search_combo'  '00poprockelectronic':12 '70':14 '80':16 'best':8C 'boney':6B,10C 'brown':1A 'disco':13 'electronic':19 'girl':2A 'in':3A,18 'italo':22 'm':7B,11C 'of':9C 'or':21 'ring':5A 's':15,17 'the':4A 'we':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['disco', 'pop', 'dance', '80s', '70s']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569076.1428978  (2021-05-09 16:04:36)
                             'size'  3860580