======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '353'
                                          'artist'  'Sophie B. Hawkins'
                                     'text_people'  ''
                                         'release'  'Timbre'
                                           'title'  'The Darkest Childe'
                                           'quals'  "['q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'Rock'
                                             'bpm'  '116.3'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=204)
'PRIV:www.mexp.dk:\x01\x0b\x00\x00\x00\x00good stuff'  PRIV(owner='www.mexp.dk', data=b'\x01\x0b\x00\x00\x00\x00good stuff')
'TALB' (Album/Movie/Show title)                     'Timbre'
'TBPM' (BPM (beats per minute))                     '116.3'
'TCON' (Content type, a.k.a. Genre)                 'Rock'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'The Darkest Childe'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sophie B. Hawkins'
'TRCK' (Track number/Position in set)               '7'
'TXXX:MusicBrainz Album Id'                         '48e67f8a-5170-4e95-be74-e1b7ec3a2e9b'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fd7a8bc1-1b25-4b4c-b899-8f7b3343a229'
'TXXX:MusicBrainz TRM Id'                           'b7d61977-0176-4317-a03d-3246e2f79bfc'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b2e3ff00-60ae-404e-9c2e-2368e4d21310')

========================== row from database ==========================
                                              'id'  1538829
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Sophie B. Hawkins/The Darkest Childe.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  353
                                           'genre'  Rock
                                        'filesize'  8499200
                                           'mtime'  1662800334
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] Rock
                                      'tag_artist'  Sophie B. Hawkins
                                     'tag_release'  Timbre
                                       'tag_title'  The Darkest Childe
                                             'bpm'  116.3
                                    'search_title'  'childe':3 'darkest':2 'the':1
                                   'search_artist'  'b':2,3 'hawkins':4 'sophie':1
                                  'search_release'  'timbre':1
                                     'search_rest'  '0yay1':2,3 'prev':5 'prevset':1 'rock':4 'set':6
                                    'search_combo'  '0yay1':10,11 'b':5B,6B 'childe':3A 'darkest':2A 'hawkins':7B 'prev':13 'prevset':9 'rock':12 'set':14 'sophie':4B 'the':1A 'timbre':8C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800333.7878385  (2022-09-10 10:58:53)
                             'size'  8499200