======================== unified (from filesystem) ========================
                                         'bitrate'  '213.806'
                                        'duration'  '303'
                                          'artist'  'Turisas'
                                     'text_people'  ''
                                         'release'  'The Varangian Way'
                                           'title'  'Cursed Be Iron'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk metal', 'viking metal', 'metal', 'battle metal', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '115.0'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00Õ-e\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xd5-e\x00')
'TALB' (Album/Movie/Show title)                     'The Varangian Way'
'TBPM' (BPM (beats per minute))                     '115.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2007-00-00'
'TIT2' (Title/songname/content description)         'Cursed Be Iron'
'TKEY' (Initial key)                                '1B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Turisas'
'TPUB' (Publisher)                                  'Century Media Records'
'TRCK' (Track number/Position in set)               '3/8'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'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'                                 'Promo'
'TXXX:Rip date'                                     '2007-04-28'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['folk metal', 'viking metal', 'metal', 'battle metal', 'finnish']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.341864'

========================== row from database ==========================
                                              'id'  1275959
                                            'path'  /data/Music/Bulk/00dwimp/Turisas/Turisas - The Varangian Way/Turisas - 03 - Curse Be Iron.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  303
                                           'genre'  eid-metal
                                        'filesize'  8113393
                                           'mtime'  1620301676
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 03 eid metal
                                      'tag_artist'  Turisas
                                     'tag_release'  The Varangian Way
                                       'tag_title'  Cursed Be Iron
                                             'bpm'  115.0
                                    'search_title'  'be':2 'cursed':1 'iron':3
                                   'search_artist'  'turisas':1
                                  'search_release'  'the':1 'varangian':2 'way':3
                                     'search_rest'  '00dwimp':1 'eid':2 'metal':3
                                    'search_combo'  '00dwimp':8 'be':2A 'cursed':1A 'eid':9 'iron':3A 'metal':10 'the':5C 'turisas':4B 'varangian':6C 'way':7C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', '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'  ['folk metal', 'viking metal', 'metal', 'battle metal', 'finnish']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301675.910619  (2021-05-06 13:47:55)
                             'size'  8113393