======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '184'
                                          'artist'  'The Brian Setzer Orchestra'
                                     'text_people'  ''
                                         'release'  'VaVoom'
                                           'title'  'Pennsylvania 6-5000'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'Swing'
                                             'bpm'  '92.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=204)
'TALB' (Album/Movie/Show title)                     'VaVoom'
'TBPM' (BPM (beats per minute))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 'Swing'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Pennsylvania 6-5000'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Brian Setzer Orchestra'
'TRCK' (Track number/Position in set)               '1'
'TXXX:MusicBrainz Album Id'                         '0124c38c-548a-40c8-a790-9187f40f5bd2'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3c98e32e-5bf5-4484-bdab-bd8d1736112a'
'TXXX:MusicBrainz TRM Id'                           '38b3d0d7-25d3-4039-aa12-af2c9bf8f5de'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a505c061-955f-41bf-88ed-e9253e22873d')

========================== row from database ==========================
                                              'id'  1538361
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/zUnsorted/The Brian Setzer Orchestra - Pennsylvania 6-5000.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  184
                                           'genre'  Swing
                                        'filesize'  4427950
                                           'mtime'  1662800344
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] zUnsorted Swing
                                      'tag_artist'  The Brian Setzer Orchestra
                                     'tag_release'  VaVoom
                                       'tag_title'  Pennsylvania 6-5000
                                             'bpm'  92.9
                                    'search_title'  '5000':3 '6':2 '65000':4 'pennsylvania':1
                                   'search_artist'  'brian':2 'orchestra':4 'setzer':3 'the':1
                                  'search_release'  'va':2 'vavoom':1 'voom':3
                                     'search_rest'  '0yay1':2,3 'prev':6 'prevset':1 'set':7 'swing':5 'unsorted':9 'z':8 'zunsorted':4
                                    'search_combo'  '0yay1':13,14 '5000':3A '6':2A '65000':4A 'brian':6B 'orchestra':8B 'pennsylvania':1A 'prev':17 'prevset':12 'set':18 'setzer':7B 'swing':16 'the':5B 'unsorted':20 'va':10C 'vavoom':9C 'voom':11C 'z':19 'zunsorted':15
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800344.4034958  (2022-09-10 10:59:04)
                             'size'  4427950