======================== unified (from filesystem) ========================
                                         'bitrate'  '125.68'
                                        'duration'  '193'
                                          'artist'  'GL+IL'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'polyhedron (version)'
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '101.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '101.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TIT2' (Title/songname/content description)         'polyhedron (version)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'GL+IL'
'TRCK' (Track number/Position in set)               '13'
'TXXX:PZTagEditor Info'                             'This tag done with PZ TagEditor at 19.06.2008 18:38:19. Version 5.1.804.19'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.608467'

========================== row from database ==========================
                                              'id'  1115387
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/disc2/13 - gl+il - polyhedron (version).mp3
                                         'working'  None
                                         'bitrate'  125
                                    'duration_sec'  193
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3037250
                                           'mtime'  1620542282
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm disc2 13 gl+il electronic we new wave or post punk
                                      'tag_artist'  GL+IL
                                     'tag_release'  None
                                       'tag_title'  polyhedron (version)
                                             'bpm'  101.3
                                    'search_title'  'polyhedron':1 'version':2,3
                                   'search_artist'  'gl':1 'il':2
                                  'search_release'  
                                     'search_rest'  'disc2':1 'electronic':4 'gl':2 'il':3 'new':6 'or':8 'post':9 'punk':10 'wave':7 'we':5
                                    'search_combo'  'disc2':6 'electronic':9 'gl':4B,7 'il':5B,8 'new':11 'or':13 'polyhedron':1A 'post':14 'punk':15 'version':2A,3A 'wave':12 'we':10
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620542282.0676813  (2021-05-09 08:38:02)
                             'size'  3037250