======================== unified (from filesystem) ========================
                                         'bitrate'  '196.763'
                                        'duration'  '201'
                                          'artist'  'Emilie Autumn'
                                     'text_people'  ''
                                         'release'  'Laced/Unlaced (disc 1: Laced)'
                                           'title'  'Allegro'
                                           'quals'  "['q-bass-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'noughties pop;eos'
                                             'bpm'  '121.1'
                                             'key'  'D#m'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Laced/Unlaced (disc 1: Laced)'
'TBPM' (BPM (beats per minute))                     '121.1'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['noughties pop', 'eos']
'TDRC' (Recording time)                             '2007'
'TDRL' (Release time)                               '2007-03-30'
'TDTG' (Tagging time)                               '2008-01-23 11:53:03'
'TIT2' (Title/songname/content description)         'Allegro'
'TKEY' (Initial key)                                'D#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Emilie Autumn'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TSOP' (Performer sort order)                       'Bach, Johann Sebastian'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist'                     'Emilie Autumn'
'TXXX:MusicBrainz Album Artist Id'                  'c8bc9ad3-1df2-4c9b-9cf7-cf6fc60441dc'
'TXXX:MusicBrainz Album Artist Sortname'            'Autumn, Emilie'
'TXXX:MusicBrainz Album Id'                         '1e1de6d6-0531-461c-8be6-a5a459e955f2'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '24f1766e-9635-4d58-a4d4-9413f9f98a4c'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.58 dB'
'TXXX:replaygain_track_peak'                        '0.508590'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a827c2bb-e6c2-4792-b6e2-df480e59e751')

========================== row from database ==========================
                                              'id'  1538389
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Emilie Autumn/Laced Unlaced/(disc 1 Laced) - 04 - Johann Sebastian Bach - Allegro.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  201
                                           'genre'  noughties pop;eos
                                        'filesize'  5180188
                                           'mtime'  1657678247
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] 04 Johann Sebastian Bach noughties pop;eos
                                      'tag_artist'  Emilie Autumn
                                     'tag_release'  Laced/Unlaced (disc 1: Laced)
                                       'tag_title'  Allegro
                                             'bpm'  121.1
                                    'search_title'  'allegro':1
                                   'search_artist'  'autumn':2 'emilie':1
                                  'search_release'  '1':6,7 'disc':4,5 'laced':1,8,9 'lacedunlaced':3 'unlaced':2
                                     'search_rest'  '0yay1':2,3 'bach':6 'eos':9,11 'johann':4 'noughties':7 'pop':8,10 'prev':12 'prevset':1 'sebastian':5 'set':13
                                    'search_combo'  '0yay1':14,15 '1':9C,10C 'allegro':1A 'autumn':3B 'bach':18 'disc':7C,8C 'emilie':2B 'eos':21,23 'johann':16 'laced':4C,11C,12C 'lacedunlaced':6C 'noughties':19 'pop':20,22 'prev':24 'prevset':13 'sebastian':17 'set':25 'unlaced':5C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  D#m
                                           'quals'  ['q-bass-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657678246.597353  (2022-07-13 04:10:46)
                             'size'  5180188