======================== unified (from filesystem) ========================
                                         'bitrate'  '177.568'
                                        'duration'  '103'
                                          'artist'  'Emilie Autumn'
                                     'text_people'  ''
                                         'release'  'Laced/Unlaced (disc 1: Laced)'
                                           'title'  'Recercada'
                                           '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'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'noughties pop;eos'
                                             'bpm'  '113.5'
                                             'key'  'B m'  (10A)
                                        '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))                     '113.5'
'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)         'Recercada'
'TKEY' (Initial key)                                'B m'
'TPE1' (Lead performer(s)/Soloist(s))               'Emilie Autumn'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TSOP' (Performer sort order)                       'Ortiz, Diego'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '140,252'
'TXXX:MP3GAIN_UNDO'                                 '+003,+003,N'
'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'                        'cd3b9270-42fe-4146-ad4a-1916bba478d3'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '8d66b5b1-c04e-f39c-049f-2f1db1770aa5'
'TXXX:MusicMagic Data'                              'AgEBskVtuAy3HKa1hWHNa1OngAGDQIACSrCkdhDPgAHUlKSTgAFIUav5gAG/FoPzgZqAAcH//M64w4ABgAHYZx2Z14LVYqcegAKAAaLDq1it5ILN6+00K4qLgfuAEy0qopkQBYAU3K6Mi4ABN8CvmoAiwjKEnYkIgAG22wg3u+GDq4ABvCoilNAXx76ftYACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.587058'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f78fce58-687f-4c75-83ac-5e697e1c4e92')

========================== row from database ==========================
                                              'id'  1538295
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Emilie Autumn/Laced Unlaced/(disc 1 Laced) - 02 - Diego Ortiz - Recercada.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  103
                                           'genre'  noughties pop;eos
                                        'filesize'  2533188
                                           'mtime'  1657673808
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] 02 Diego Ortiz noughties pop;eos
                                      'tag_artist'  Emilie Autumn
                                     'tag_release'  Laced/Unlaced (disc 1: Laced)
                                       'tag_title'  Recercada
                                             'bpm'  113.5
                                    'search_title'  'recercada':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 'diego':4 'eos':8,10 'noughties':6 'ortiz':5 'pop':7,9 'prev':11 'prevset':1 'set':12
                                    'search_combo'  '0yay1':14,15 '1':9C,10C 'autumn':3B 'diego':16 'disc':7C,8C 'emilie':2B 'eos':20,22 'laced':4C,11C,12C 'lacedunlaced':6C 'noughties':18 'ortiz':17 'pop':19,21 'prev':23 'prevset':13 'recercada':1A 'set':24 'unlaced':5C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  B 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'  1657673808.0389376  (2022-07-13 02:56:48)
                             'size'  2533188