======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '361'
                                          'artist'  'Curtis Mayfield'
                                     'text_people'  ''
                                         'release'  "Funkin' on the 1"
                                           'title'  'Move on Up'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', "
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 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'rhythm and blues', 'soul', 'funk', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '18'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '127.2'
                                             'key'  '11A'
                                        'acoustid'  '4578d5e6-ec02-4b26-b2c2-d697bae0a0e2'
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'POPM:traktor@native-instruments.de'                POPM(email='traktor@native-instruments.de', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     "Funkin' on the 1"
'TBPM' (BPM (beats per minute))                     '127.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Move on Up'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Curtis Mayfield'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/5'
'TPUB' (Publisher)                                  'Disky'
'TRCK' (Track number/Position in set)               '16/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Mayfield, Curtis'
'TXXX:ASIN'                                         'B000050GHJ'
'TXXX:Acoustid Id'                                  '4578d5e6-ec02-4b26-b2c2-d697bae0a0e2'
'TXXX:Artists'                                      'Curtis Mayfield'
'TXXX:BARCODE'                                      '0724389921922'
'TXXX:CATALOGNUMBER'                                'BX 992202/BX 992212/BX 992222/BX 992232/BX 992242/DB 992192'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '27c3ac59-591e-33a1-a9ce-ebaac4975a1a'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '4dca4bb2-23ba-4103-97e6-5810311db33a'
'TXXX:MusicBrainz Release Group Id'                 '7a829bcd-2492-3b5e-a191-e8fab8dfb5bf'
'TXXX:MusicBrainz Release Track Id'                 '7323e829-1530-3558-b1e3-ffbf33827940'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:fBPM'                                         '0.000000'
'TXXX:fBPMQuality'                                  '0.000000'
'TXXX:lastfmtags'                                   ['rnb', 'rhythm and blues', 'soul', 'funk', '70s']
'TXXX:originalyear'                                 '2000'
'TXXX:other'                                        '75'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.40 dB'
'TXXX:replaygain_track_peak'                        '0.400324'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1f65697a-a4f1-4686-94fb-b6e2762961ca')

========================== row from database ==========================
                                              'id'  1532882
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/funkin_ on the one/34 Curtis Mayfield - 75 Mother_s son.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  361
                                           'genre'  funk or soul
                                        'filesize'  5798836
                                           'mtime'  1628357680
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul funkin_ one 34 75 Mother_s son funk or soul
                                      'tag_artist'  Curtis Mayfield
                                     'tag_release'  Funkin' on the 1
                                       'tag_title'  Move on Up
                                             'bpm'  127.2
                                    'search_title'  'move':1 'on':2 'up':3
                                   'search_artist'  'curtis':1 'mayfield':2
                                  'search_release'  '1':5 'funkin':1,2 'on':3 'the':4
                                     'search_rest'  '34':6 '75':7 'funk':2 'funkin':4 'mother':8 'one':5 'or':11 's':9 'son':10 'soul':3 'swing':1
                                    'search_combo'  '1':10C '34':16 '75':17 'curtis':4B 'funk':12 'funkin':6C,7C,14 'mayfield':5B 'mother':18 'move':1A 'on':2A,8C 'one':15 'or':21 's':19 'son':20 'soul':13 'swing':11 'the':9C 'up':3A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'rhythm and blues', 'soul', 'funk', '70s']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357679.676296  (2021-08-07 19:34:39)
                             'size'  5798836