======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '137'
                                          'artist'  'Millencolin'
                                     'text_people'  'Färm/Sarcevic'
                                         'release'  'Punk O Rama Vol.6 2001'
                                           'title'  'Blackeye'
                                           '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'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '105.3'
                                             'key'  '10A'
                                        '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')
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'PRIV:WM/WMCollectionID:è?`7v:#J\x81O×IÖ\x83\xa0o'  PRIV(owner='WM/WMCollectionID', data=b'\xe8?`7v:#J\x81O\xd7I\xd6\x83\xa0o')
'PRIV:WM/WMContentID:¼®½#\x8er\x95H®`lþ°L·Y'        PRIV(owner='WM/WMContentID', data=b'\xbc\xae\xbd#\x8er\x95H\xae`l\xfe\xb0L\xb7Y')
'TALB' (Album/Movie/Show title)                     'Punk O Rama Vol.6 2001'
'TBPM' (BPM (beats per minute))                     '105.3'
'TCOM' (Composer)                                   'Färm/Sarcevic'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Blackeye'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Millencolin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '4'
'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'                        '-2.13 dB'
'TXXX:replaygain_track_peak'                        '0.417761'

========================== row from database ==========================
                                              'id'  1477005
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise - Epitaph/Punk-o-Rama Vol. 6/04 - Millencolin - Blackeye.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  137
                                           'genre'  rock-gr-punk
                                        'filesize'  2929755
                                           'mtime'  1622659085
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Pennywise Epitaph 04 rock gr punk
                                      'tag_artist'  Millencolin
                                     'tag_release'  Punk O Rama Vol.6 2001
                                       'tag_title'  Blackeye
                                             'bpm'  105.3
                                    'search_title'  'blackeye':1
                                   'search_artist'  'millencolin':1
                                  'search_release'  '2001':7 '6':5 'o':2 'punk':1 'rama':3 'vol':4 'vol6':6
                                     'search_rest'  'epitaph':6 'garage':2 'gr':8 'pennywise':5 'punk':1 'rock':7 'stoner':4 'surf':3
                                    'search_combo'  '2001':9C '6':7C 'blackeye':1A 'epitaph':15 'garage':11 'gr':17 'millencolin':2B 'o':4C 'pennywise':14 'punk':3C,10 'rama':5C 'rock':16 'stoner':13 'surf':12 'vol':6C 'vol6':8C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           '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'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659084.6183243  (2021-06-02 20:38:04)
                             'size'  2929755