======================== unified (from filesystem) ========================
                                         'bitrate'  '255.69'
                                        'duration'  '231'
                                          'artist'  'Dance 2 Trance'
                                     'text_people'  ''
                                         'release'  "The Greatest Hits '93, Volume 2"
                                           'title'  'Power of American Natives'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trance', 'dance', 'eurodance', 'techno', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '20'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-zomg80s'
                                             'bpm'  '135.004'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     "The Greatest Hits '93, Volume 2"
'TBPM' (BPM (beats per minute))                     '135.004'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-zomg80s']
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'FreeRIP 2.60'
'TIT2' (Title/songname/content description)         'Power of American Natives'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dance 2 Trance'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Magnum'
'TRCK' (Track number/Position in set)               '14/20'
'TSOP' (Performer sort order)                       'Dance 2 Trance'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:BARCODE'                                      '731451553424'
'TXXX:CATALOGNUMBER'                                '515 534-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '693ff78d-8d22-4e48-ad3c-f0d3566019d5'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '97f786bf-ff77-4dde-8dda-7359f5cc0eb7'
'TXXX:MusicIP PUID'                                 '66f5a46b-1573-3695-7aa9-998ccf5bdac5'
'TXXX:MusicMagic Data'                              'AgEAA39ylYebx77qgtMkgEjMgAGDh4B1u6OU6E9jiDrlSbqFgAGxVax/64wbBIABg/aAAbtzhkoDzNa8gAG1PthTEOiAAa/5R6qAAZWUmVbDO4L3HOU/XbiAgbKEjcOxl/BKFJXCCAuczoI2vsi0ZNgU/1bC5YWEgAHmS4kx+xzc64CQwd3lwgl6ndzGRuh3gMk='
'TXXX:MusicMagic Fingerprint'                       'AVpFTygVHhqHDWEJAQt7BxsG3Qf1B6kEAALyBLwDAQPgAsIDAgIjBCMEhAMEArMCowNgAwsCQQIyAbcBXwGJAWQBgQFbATMBYgFeASABIAEttqUc0yQHM0oeLRcEGO0VtRdEGzMXvg+LDB4QKQsADTIJcAfeBsALIwt6Bv0GDQaoCR0HQQVKBS0EiQOAA6wDngRKA4IC3gOUAzcCrgLaAvQzx6UNASwc3xJoCUMVSg4ND7IhliKiBq0CFQpUAyIGjAIZAuQB6gvoCp4G+QaHBp4H9wamBMcFPgTcA6IEBwO/BJ0D/gM+BDEDEwK8A4kDRPwHFbX2wbRO4BjsHPVXGy8OmTUpPxwL1QU3CJMB8Ae5AZADFAKkDQUKpgXyAuICTwd2A3wDQwP4AfYDVAJcAWACegFlAKwCTgGyAZUAQQCVCl3rpk9MzJr7wBDbAs0eK/+23lbYBxnbFLMXfhPXD50MwA2XDHACQAiABAQHiAI4/iT+4gE1/+oBvQHaAl0B+gEOAUUCFP8PAasAsgA1AT3+LAE98xsU3fuu9tH3LS85l0Hq6xd8DpUEVQMlA+cPywYA/YICTxavBKwFjAWN+0wKUQVpAyEFpACfAOz+ygE5A1L+dAGnAZUCTAJ0Ah8CpQC++CM90g4D/YUBfrqRwgPo5AjsLXEFLwca+aYAg/LY/k4AsQKv66j63P0X/YP7QgsMANADMQPC/cD/2v4K/kz/8v5n/t8CeP+dATn/8f8MJh8TDA=='
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'dance', 'eurodance', 'techno', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.678756'

========================== row from database ==========================
                                              'id'  1326835
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/09-Track-09.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  231
                                           'genre'  electronic-unsorted;set-pl-zomg80s
                                        'filesize'  7392106
                                           'mtime'  1621696726
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 09 Track 09 electronic unsorted;set pl zomg80s
                                      'tag_artist'  Dance 2 Trance
                                     'tag_release'  The Greatest Hits '93, Volume 2
                                       'tag_title'  Power of American Natives
                                             'bpm'  135.004
                                    'search_title'  'american':3 'natives':4 'of':2 'power':1
                                   'search_artist'  '2':2 'dance':1 'trance':3
                                  'search_release'  '2':7 '93':4,5 'greatest':2 'hits':3 'the':1 'volume':6
                                     'search_rest'  '00poprockelectronic':1 'electronic':8 'files':5,6 'loose':3,4 'pl':13 'set':10,12 'track':7 'unsorted':2,9,11 'zomg80s':14
                                    'search_combo'  '00poprockelectronic':15 '2':6B,14C '93':11C,12C 'american':3A 'dance':5B 'electronic':22 'files':19,20 'greatest':9C 'hits':10C 'loose':17,18 'natives':4A 'of':2A 'pl':27 'power':1A 'set':24,26 'the':8C 'track':21 'trance':7B 'unsorted':16,23,25 'volume':13C 'zomg80s':28
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'dance', 'eurodance', 'techno', 'electronic']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696725.9806538  (2021-05-22 17:18:45)
                             'size'  7392106