======================== unified (from filesystem) ========================
                                         'bitrate'  '218.957'
                                        'duration'  '311'
                                          'artist'  'Propaganda'
                                     'text_people'  'Howard Jones / Ian Stanley / Michael Mertens'
                                         'release'  '1234'
                                           'title'  'Heaven Give Me Words'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['electronic', 'rock', 'pop rock', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '128.495'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     '1234'
'TBPM' (BPM (beats per minute))                     '128.495'
'TCOM' (Composer)                                   'Howard Jones / Ian Stanley / Michael Mertens'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1990-05'
'TEXT' (Lyricist/Text writer)                       'Ralf Dörper'
'TIT2' (Title/songname/content description)         'Heaven Give Me Words'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Propaganda'
'TPE2' (Band/orchestra/accompaniment)               'Propaganda'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '2/9'
'TSOP' (Performer sort order)                       'Propaganda'
'TXXX:ALBUMARTISTSORT'                              'Propaganda'
'TXXX:BARCODE'                                      '5012981262525'
'TXXX:CATALOGNUMBER'                                'CDV2625'
'TXXX:MusicBrainz Album Artist Id'                  '9ad7e479-e9e1-4b4e-9431-da0343739d6c'
'TXXX:MusicBrainz Album Id'                         '898fd176-feb2-4a09-b852-bf24e682eefc'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9ad7e479-e9e1-4b4e-9431-da0343739d6c'
'TXXX:MusicIP PUID'                                 'b2163b8b-7de4-cf14-4cb9-0b5dc41bfd61'
'TXXX:MusicMagic Data'                              'AgEAByrCnKmb0qr1gZvrMU56iDWCWoQS5A2Wr0PchP4BY8klheToSbIiyCPRSeIFgfKAAQGSo2USPtNcgAG7A/l083WwgdLLgAKAAZhopGO1rIMvB94xBJv9gguCh+ONlzE9apaI+SivIIJF4tWv3sIp4de2NoSugnjem65w9tTKS4B+uzL3afOIpK+7NZmvhFg='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['electronic', 'rock', 'pop rock', 'synth-pop']
'TXXX:involved people'                              'producer'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.655298'

========================== row from database ==========================
                                              'id'  1348556
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Propaganda - 02 - Heaven Give Me Words.mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  311
                                           'genre'  rock-gr-punk
                                        'filesize'  8524265
                                           'mtime'  1622659320
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 rock gr punk
                                      'tag_artist'  Propaganda
                                     'tag_release'  1234
                                       'tag_title'  Heaven Give Me Words
                                             'bpm'  128.495
                                    'search_title'  'give':2 'heaven':1 'me':3 'words':4
                                   'search_artist'  'propaganda':1
                                  'search_release'  '1234':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'gr':8 'loose':3,4 'punk':9 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 '1234':6C 'files':11,12 'give':2A 'gr':14 'heaven':1A 'loose':9,10 'me':3A 'propaganda':5B 'punk':15 'rock':13 'unsorted':8 'words':4A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  1990
                                     'discogstags'  ['electronic', 'rock', 'pop rock', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1622659320.3060389  (2021-06-02 20:42:00)
                             'size'  8524265