======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '119'
                                          'artist'  'Millencolin'
                                     'text_people'  'Nikola Sarcevic'
                                         'release'  'Punk O Rama Vol. 2'
                                           'title'  'Bullion'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '122.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:|\x98\x10iö\x97\x8bF\x99ÆC¢Ò\x9c´Þ'  PRIV(owner='WM/WMCollectionID', data=b'|\x98\x10i\xf6\x97\x8bF\x99\xc6C\xa2\xd2\x9c\xb4\xde')
'PRIV:WM/WMContentID:l\x99\x1a\xadñ\x9bºB¡øô\xa0¯pÌS'  PRIV(owner='WM/WMContentID', data=b'l\x99\x1a\xad\xf1\x9b\xbaB\xa1\xf8\xf4\xa0\xafp\xccS')
'TALB' (Album/Movie/Show title)                     'Punk O Rama Vol. 2'
'TBPM' (BPM (beats per minute))                     '122.1'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Nikola Sarcevic'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Bullion'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Millencolin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Heartcore'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '-2.26 dB'
'TXXX:replaygain_track_peak'                        '0.509944'

========================== row from database ==========================
                                              'id'  1476892
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise - Epitaph/Punk-o-Rama Vol. 2/01 - Millencolin - Bullion.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  119
                                           'genre'  rock-gr-punk
                                        'filesize'  2723701
                                           'mtime'  1622659064
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Pennywise Epitaph 01 rock gr punk
                                      'tag_artist'  Millencolin
                                     'tag_release'  Punk O Rama Vol. 2
                                       'tag_title'  Bullion
                                             'bpm'  122.1
                                    'search_title'  'bullion':1
                                   'search_artist'  'millencolin':1
                                  'search_release'  '2':6 'o':2 'punk':1 'rama':3 'vol':4,5
                                     'search_rest'  'epitaph':6 'garage':2 'gr':8 'pennywise':5 'punk':1 'rock':7 'stoner':4 'surf':3
                                    'search_combo'  '2':8C 'bullion':1A 'epitaph':14 'garage':10 'gr':16 'millencolin':2B 'o':4C 'pennywise':13 'punk':3C,9 'rama':5C 'rock':15 'stoner':12 'surf':11 'vol':6C,7C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10B
                                           '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-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659064.1389937  (2021-06-02 20:37:44)
                             'size'  2723701