======================== unified (from filesystem) ========================
                                         'bitrate'  '188.342'
                                        'duration'  '580'
                                          'artist'  'Darkthrone'
                                     'text_people'  ''
                                         'release'  'Hail the goat of mendez'
                                           'title'  'Eon / Thulcrandra'
                                           '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-3', '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'  '8'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'eid-metal-death;eid-metal-black'
                                             'bpm'  '126.965'
                                             '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))                     '126.965'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death', 'eid-metal-black']
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Eon / Thulcrandra'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkthrone'
'TRCK' (Track number/Position in set)               '8'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.748483'

========================== row from database ==========================
                                              'id'  934471
                                            'path'  /data/Music/Bulk/00dwimp/Darkthrone/Darkthrone - Hail the Goat of Mendez/08_darkthrone-eon_-_thulcrandra-berc.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  580
                                           'genre'  eid-metal-death;eid-metal-black
                                        'filesize'  13678567
                                           'mtime'  1620302120
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Goat Mendez 08_darkthrone eon_ _thulcrandra berc eid metal death;eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  Hail the goat of mendez
                                       'tag_title'  Eon / Thulcrandra
                                             'bpm'  126.965
                                    'search_title'  'eon':1 'thulcrandra':2
                                   'search_artist'  'darkthrone':1
                                  'search_release'  'goat':3 'hail':1 'mendez':5 'of':4 'the':2
                                     'search_rest'  '00dwimp':1 '08':4 'berc':8 'black':15 'darkthrone':5 'death':11,13 'eid':9,12,14 'eon':6 'goat':2 'mendez':3 'metal':10 'thulcrandra':7
                                    'search_combo'  '00dwimp':9 '08':12 'berc':16 'black':23 'darkthrone':3B,13 'death':19,21 'eid':17,20,22 'eon':1A,14 'goat':6C,10 'hail':4C 'mendez':8C,11 'metal':18 'of':7C 'the':5C 'thulcrandra':2A,15
                                    'tag_tracknum'  8
                                      '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-3', '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'  1620302119.592804  (2021-05-06 13:55:19)
                             'size'  13678567