======================== unified (from filesystem) ========================
                                         'bitrate'  '237.13'
                                        'duration'  '256'
                                          'artist'  'Emilie Autumn'
                                     'text_people'  ''
                                         'release'  'Laced/Unlaced (disc 2: Unlaced)'
                                           'title'  'A Strange Device'
                                           'quals'  "['q-bass-4', 'q-drums-3', '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'  '107.3'
                                             'key'  'D m'  (7A)
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=204, count=0)
'TALB' (Album/Movie/Show title)                     'Laced/Unlaced (disc 2: Unlaced)'
'TBPM' (BPM (beats per minute))                     '107.3'
'TCMP'                                              '0'
'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 11:53:10'
'TIT2' (Title/songname/content description)         'A Strange Device'
'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)                       'Autumn, Emilie'
'TXXX:FMPS_Rating'                                  '0.8'
'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'                         'df6ea553-b289-476f-9704-f6c82a1d1ad7'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c8bc9ad3-1df2-4c9b-9cf7-cf6fc60441dc'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '4609fbff-5c52-6547-977b-0a75ed83a437'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.430671'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'61a67a21-2c3f-49f5-97fe-fb913559125d')

========================== row from database ==========================
                                              'id'  1538226
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Emilie Autumn/Laced Unlaced/(disc 2 Unlaced) - 04 - A Strange Device.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  256
                                           'genre'  noughties pop;eos
                                        'filesize'  7836376
                                           'mtime'  1657685633
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] 04 noughties pop;eos
                                      'tag_artist'  Emilie Autumn
                                     'tag_release'  Laced/Unlaced (disc 2: Unlaced)
                                       'tag_title'  A Strange Device
                                             'bpm'  107.3
                                    'search_title'  'a':1 'device':3 'strange':2
                                   'search_artist'  'autumn':2 'emilie':1
                                  'search_release'  '2':6,7 'disc':4,5 'laced':1 'lacedunlaced':3 'unlaced':2,8,9
                                     'search_rest'  '0yay1':2,3 'eos':6,8 'noughties':4 'pop':5,7 'prev':9 'prevset':1 'set':10
                                    'search_combo'  '0yay1':16,17 '2':11C,12C 'a':1A 'autumn':5B 'device':3A 'disc':9C,10C 'emilie':4B 'eos':20,22 'laced':6C 'lacedunlaced':8C 'noughties':18 'pop':19,21 'prev':23 'prevset':15 'set':24 'strange':2A 'unlaced':7C,13C,14C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  D m
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657685633.0841653  (2022-07-13 06:13:53)
                             'size'  7836376