======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '245'
                                          'artist'  'Europe'
                                     'text_people'  ''
                                         'release'  'Out of This World'
                                           'title'  'Open Your Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'classic rock', 'hair metal', 'hard rock', 'rock']"
                                     'discogstags'  "['trance', 'techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '111.272'
                                             'key'  '10A'
                                        'acoustid'  '5990603d-2f7d-406d-acba-f92908f1d294'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out of This World'
'TBPM' (BPM (beats per minute))                     '111.272'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1988'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Open Your Heart'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'Cassette'
'TPE1' (Lead performer(s)/Soloist(s))               'Europe'
'TPE2' (Band/orchestra/accompaniment)               'Europe'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'Europe'
'TSOP' (Performer sort order)                       'Europe'
'TXXX:Acoustid Id'                                  '5990603d-2f7d-406d-acba-f92908f1d294'
'TXXX:BARCODE'                                      '07464441854'
'TXXX:CATALOGNUMBER'                                'OET 44185'
'TXXX:MusicBrainz Album Artist Id'                  'ccfe7a3c-1a45-4984-a8d0-644549cefe61'
'TXXX:MusicBrainz Album Id'                         '9c8f615b-8631-417e-877d-16c17bfea148'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ccfe7a3c-1a45-4984-a8d0-644549cefe61'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['trance', 'techno', 'electronic']
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'hair metal', 'hard rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.649783'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'00ca52d6-debc-43b1-be72-aef9c27684ab')

========================== row from database ==========================
                                              'id'  1324259
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0266 Europe - Definitive Collection/10 - Open Your Heart.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  245
                                           'genre'  rock-cppex-classic
                                        'filesize'  3922933
                                           'mtime'  1636039386
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0266 Definitive Collection 10 rock cppex classic
                                      'tag_artist'  Europe
                                     'tag_release'  Out of This World
                                       'tag_title'  Open Your Heart
                                             'bpm'  111.272
                                    'search_title'  'heart':3 'open':1 'your':2
                                   'search_artist'  'europe':1
                                  'search_release'  'of':2 'out':1 'this':3 'world':4
                                     'search_rest'  '00poprockelectronic':1 '0266':5 '1000':4 'album':2 'classic':10 'collection':7 'cppex':9 'definitive':6 'rock':8 'top':3
                                    'search_combo'  '00poprockelectronic':9 '0266':13 '1000':12 'album':10 'classic':18 'collection':15 'cppex':17 'definitive':14 'europe':4B 'heart':3A 'of':6C 'open':1A 'out':5C 'rock':16 'this':7C 'top':11 'world':8C 'your':2A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'hair metal', 'hard rock', 'rock']
                                        'tag_date'  1988
                                     'discogstags'  ['trance', 'techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1636039386.4174037  (2021-11-04 16:23:06)
                             'size'  3922933