======================== unified (from filesystem) ========================
                                         'bitrate'  '255.054'
                                        'duration'  '212'
                                          'artist'  'Dark Funeral'
                                     'text_people'  ''
                                         'release'  'De Profundis Clamavi Ad Te Dom'
                                           'title'  'shadows over transylvania'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish', 'swedish black metal', 'black metal', 'metal', 'melodic black "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '116.0'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x0c$\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x0c$\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\x00\x00')
'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)                     'De Profundis Clamavi Ad Te Dom'
'TBPM' (BPM (beats per minute))                     '116.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'shadows over transylvania'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dark Funeral'
'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'                                   ['swedish',
 'swedish black metal',
 'black metal',
 'metal',
 'melodic black metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.41 dB'
'TXXX:replaygain_track_peak'                        '0.379933'

========================== row from database ==========================
                                              'id'  1266328
                                            'path'  /data/Music/Bulk/00dwimp/Dark Funeral/De Profundis Clamavi Ad Te Dom/10_dark_funeral-shadows_over_transylvania-berc.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  212
                                           'genre'  eid-metal-black
                                        'filesize'  6773247
                                           'mtime'  1620301869
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 10_dark_funeral shadows_over_transylvania berc eid metal black
                                      'tag_artist'  Dark Funeral
                                     'tag_release'  De Profundis Clamavi Ad Te Dom
                                       'tag_title'  shadows over transylvania
                                             'bpm'  116.0
                                    'search_title'  'over':2 'shadows':1 'transylvania':3
                                   'search_artist'  'dark':1 'funeral':2
                                  'search_release'  'ad':4 'clamavi':3 'de':1 'dom':6 'profundis':2 'te':5
                                     'search_rest'  '00dwimp':1 '10':2 'berc':8 'black':11 'dark':3 'eid':9 'funeral':4 'metal':10 'over':6 'shadows':5 'transylvania':7
                                    'search_combo'  '00dwimp':12 '10':13 'ad':9C 'berc':19 'black':22 'clamavi':8C 'dark':4B,14 'de':6C 'dom':11C 'eid':20 'funeral':5B,15 'metal':21 'over':2A,17 'profundis':7C 'shadows':1A,16 'te':10C 'transylvania':3A,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'swedish black metal', 'black metal', 'metal', 'melodic black metal']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301869.2067769  (2021-05-06 13:51:09)
                             'size'  6773247