======================== unified (from filesystem) ========================
                                         'bitrate'  '227.365'
                                        'duration'  '239'
                                          'artist'  'US3'
                                     'text_people'  ''
                                         'release'  'Broadway & 52nd'
                                           'title'  'Soul Brother'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'Acid Jazz'
                                             'bpm'  '97.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153)
'TALB' (Album/Movie/Show title)                     'Broadway & 52nd'
'TBPM' (BPM (beats per minute))                     '97.1'
'TCON' (Content type, a.k.a. Genre)                 'Acid Jazz'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Soul Brother'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'US3'
'TRCK' (Track number/Position in set)               '13'
'TXXX:MusicBrainz Album Id'                         '0b8d1012-721a-4939-819f-2d0e263d076f'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Artist Id'                        'b370defd-86cc-42f3-85b4-7c2a8305c04a'
'TXXX:MusicBrainz TRM Id'                           '03e32c64-75b9-426e-a96c-c7bfec999c66'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'94252b6d-91df-49b9-bbd0-d4d28f51a6aa')

========================== row from database ==========================
                                              'id'  1538438
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/zUnsorted/US3 - Soul Brother.mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  239
                                           'genre'  Acid Jazz
                                        'filesize'  6803630
                                           'mtime'  1662800374
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] zUnsorted Acid Jazz
                                      'tag_artist'  US3
                                     'tag_release'  Broadway & 52nd
                                       'tag_title'  Soul Brother
                                             'bpm'  97.1
                                    'search_title'  'brother':2 'soul':1
                                   'search_artist'  'us3':1
                                  'search_release'  '52nd':2 'broadway':1
                                     'search_rest'  '0yay1':2,3 'acid':5 'jazz':6 'prev':7 'prevset':1 'set':8 'unsorted':10 'z':9 'zunsorted':4
                                    'search_combo'  '0yay1':7,8 '52nd':5C 'acid':10 'broadway':4C 'brother':2A 'jazz':11 'prev':12 'prevset':6 'set':13 'soul':1A 'unsorted':15 'us3':3B 'z':14 'zunsorted':9
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800373.950542  (2022-09-10 10:59:33)
                             'size'  6803630