======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '307'
                                          'artist'  'Kontinuum'
                                     'text_people'  ''
                                         'release'  'Kyrr'
                                           'title'  'Undir Punnu Skinni'
                                           '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-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['post black metal', 'icelandic', 'post rock', 'post metal', 'progressive "
 "metal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'eid-metal-progressive'
                                             'bpm'  '85.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Kyrr'
'TBPM' (BPM (beats per minute))                     '85.3'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-progressive'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Undir Punnu Skinni'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Kontinuum'
'TPE2' (Band/orchestra/accompaniment)               'Kontinuum'
'TPUB' (Publisher)                                  'Candlelight Records'
'TRCK' (Track number/Position in set)               '5'
'TXXX:MEDIA'                                        'CD'
'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:RELEASE TYPE'                                 'Retail'
'TXXX:RETAIL DATE'                                  '2015-00-00'
'TXXX:RIP DATE'                                     '2015-09-23'
'TXXX:lastfmtags'                                   ['post black metal',
 'icelandic',
 'post rock',
 'post metal',
 'progressive metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.360868'

========================== row from database ==========================
                                              'id'  1398485
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Kontinuum - 2015 - Kyrr/05 Undir Punnu Skinni.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  307
                                           'genre'  eid-metal-progressive
                                        'filesize'  12336831
                                           'mtime'  1620310873
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2015 05 eid metal progressive
                                      'tag_artist'  Kontinuum
                                     'tag_release'  Kyrr
                                       'tag_title'  Undir Punnu Skinni
                                             'bpm'  85.3
                                    'search_title'  'punnu':2 'skinni':3 'undir':1
                                   'search_artist'  'kontinuum':1
                                  'search_release'  'kyrr':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2015':3 'eid':4 'metal':5 'progressive':6
                                    'search_combo'  '00dwimp':6 '00metal':7 '2015':8 'eid':9 'kontinuum':4B 'kyrr':5C 'metal':10 'progressive':11 'punnu':2A 'skinni':3A 'undir':1A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['post black metal', 'icelandic', 'post rock', 'post metal', 'progressive metal']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310873.2254748  (2021-05-06 16:21:13)
                             'size'  12336831