======================== unified (from filesystem) ========================
                                         'bitrate'  '197.35'
                                        'duration'  '202'
                                          'artist'  'Darkthrone'
                                     'text_people'  ''
                                         'release'  'Hail the goat of mendez'
                                           'title'  'Odyssey of Freedom'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'eid-metal-death;eid-metal-black'
                                             'bpm'  '142.207'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Hail the goat of mendez'
'TBPM' (BPM (beats per minute))                     '142.207'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death', 'eid-metal-black']
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Odyssey of Freedom'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkthrone'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['norway',
 'black metal',
 'metal',
 'norwegian black metal',
 'blackened punk rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.26 dB'
'TXXX:replaygain_track_peak'                        '0.781710'

========================== row from database ==========================
                                              'id'  934646
                                            'path'  /data/Music/Bulk/00dwimp/Darkthrone/Darkthrone - Hail the Goat of Mendez/04_darkthrone-odyssey_of_freedom-berc.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  202
                                           'genre'  eid-metal-death;eid-metal-black
                                        'filesize'  5026530
                                           'mtime'  1620302114
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Goat Mendez 04_darkthrone odyssey_of_freedom berc eid metal death;eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  Hail the goat of mendez
                                       'tag_title'  Odyssey of Freedom
                                             'bpm'  142.207
                                    'search_title'  'freedom':3 'odyssey':1 'of':2
                                   'search_artist'  'darkthrone':1
                                  'search_release'  'goat':3 'hail':1 'mendez':5 'of':4 'the':2
                                     'search_rest'  '00dwimp':1 '04':4 'berc':9 'black':16 'darkthrone':5 'death':12,14 'eid':10,13,15 'freedom':8 'goat':2 'mendez':3 'metal':11 'odyssey':6 'of':7
                                    'search_combo'  '00dwimp':10 '04':13 'berc':18 'black':25 'darkthrone':4B,14 'death':21,23 'eid':19,22,24 'freedom':3A,17 'goat':7C,11 'hail':5C 'mendez':9C,12 'metal':20 'odyssey':1A,15 'of':2A,8C,16 'the':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk rock']
                                        'tag_date'  1988
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302114.2452788  (2021-05-06 13:55:14)
                             'size'  5026530