======================== unified (from filesystem) ========================
                                         'bitrate'  '178.933'
                                        'duration'  '328'
                                          'artist'  'Pendulum'
                                     'text_people'  ''
                                         'release'  'Hold Your Colour'
                                           'title'  'Hold Your Colour'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  "Drum 'n' Bass"
                                             'bpm'  '116.2'
                                             'key'  'E m'  (9A)
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'BOSS2k5'
'POPM:\x01ÿþ0'                                      POPM(email='\x01ÿþ0', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Hold Your Colour'
'TBPM' (BPM (beats per minute))                     '116.2'
'TCON' (Content type, a.k.a. Genre)                 "Drum 'n' Bass"
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 "i'm too lame to change the default settings"
'TIT2' (Title/songname/content description)         'Hold Your Colour'
'TKEY' (Initial key)                                'E m'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Pendulum'
'TRCK' (Track number/Position in set)               '10'
'TXXX:MusicBrainz Album Id'                         '9d9b873c-fbd4-43df-9533-b401dd86081d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f2fc6ece-5615-4d2c-9cb3-8c5d51a839ea'
'TXXX:MusicBrainz TRM Id'                           'a5963ae4-ba69-4c33-b924-ee8670f3f1f0'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'99f2c57e-a04e-4416-a668-f9867e5fd5e3')

========================== row from database ==========================
                                              'id'  1538468
                                            'path'  /data/Music/Other/PrevSet/[1electro-harder]/Pendulum/Hold Your Colour.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  328
                                           'genre'  Drum 'n' Bass
                                        'filesize'  7353204
                                           'mtime'  1657693616
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [1electro harder] Drum 'n' Bass
                                      'tag_artist'  Pendulum
                                     'tag_release'  Hold Your Colour
                                       'tag_title'  Hold Your Colour
                                             'bpm'  116.2
                                    'search_title'  'colour':3 'hold':1 'your':2
                                   'search_artist'  'pendulum':1
                                  'search_release'  'colour':3 'hold':1 'your':2
                                     'search_rest'  '1electro':2,3 'bass':9 'drum':6 'harder':4,5 'n':7,8 'prev':10 'prevset':1 'set':11
                                    'search_combo'  '1electro':9,10 'bass':16 'colour':3A,7C 'drum':13 'harder':11,12 'hold':1A,5C 'n':14,15 'pendulum':4B 'prev':17 'prevset':8 'set':18 'your':2A,6C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  E m
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657693615.6727157  (2022-07-13 08:26:55)
                             'size'  7353204