======================== unified (from filesystem) ========================
                                         'bitrate'  '160.008'
                                        'duration'  '309'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  'To Venus and Back (disc 2: Live, Still Orbiting)'
                                           'title'  'Cooling'
                                           'quals'  "['q-bass-1', 'q-drums-1', 'q-other-1', 'q-piano-3', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '129.8'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'ogg had 160 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'To Venus and Back (disc 2: Live, Still Orbiting)'
'TBPM' (BPM (beats per minute))                     '129.8'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Cooling'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TRCK' (Track number/Position in set)               '6'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.96.1'
'TXXX:MusicBrainz Album Id'                         '93264fe5-dff2-47ab-9ca8-1c865733aad9'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'c0b2500e-0cef-4130-869d-732b23ed9df5'
'TXXX:MusicBrainz TRM Id'                           'ef19b1bf-f963-4a98-b260-d8e72de69279'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '4'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a0d8c778-6491-40db-a9d2-94d8bfc4ba68')

========================== row from database ==========================
                                              'id'  1538400
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Tori Amos/Cooling.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  309
                                           'genre'  
                                        'filesize'  6185626
                                           'mtime'  1662800289
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1]
                                      'tag_artist'  Tori Amos
                                     'tag_release'  To Venus and Back (disc 2: Live, Still Orbiting)
                                       'tag_title'  Cooling
                                             'bpm'  129.8
                                    'search_title'  'cooling':1
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  '2':7,8 'and':3 'back':4 'disc':5,6 'live':9,10 'orbiting':12,13 'still':11 'to':1 'venus':2
                                     'search_rest'  '0yay1':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '0yay1':18,19 '2':10C,11C 'amos':3B 'and':6C 'back':7C 'cooling':1A 'disc':8C,9C 'live':12C,13C 'orbiting':15C,16C 'prev':20 'prevset':17 'set':21 'still':14C 'to':4C 'tori':2B 'venus':5C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['q-bass-1', 'q-drums-1', 'q-other-1', 'q-piano-3', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800288.5452986  (2022-09-10 10:58:08)
                             'size'  6185626