======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '103'
                                          'artist'  'Voodoo Glow Skulls'
                                     'text_people'  ''
                                         'release'  'Who Is? This Is?'
                                           'title'  'Cheap Guy'
                                           '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-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'punk rock', 'ska', 'skacore', 'punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '117.262'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'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:o\x89\x8fçó\x81ÆJ\x86\x02S\x9e\x00Ëi\x7f'  PRIV(owner='WM/WMCollectionID', data=b'o\x89\x8f\xe7\xf3\x81\xc6J\x86\x02S\x9e\x00\xcbi\x7f')
'PRIV:WM/WMContentID:@âÊE\x89$\x9fC\x8d\x86Ý\x98<òÕ['  PRIV(owner='WM/WMContentID', data=b'@\xe2\xcaE\x89$\x9fC\x8d\x86\xdd\x98<\xf2\xd5[')
'TALB' (Album/Movie/Show title)                     'Who Is? This Is?'
'TBPM' (BPM (beats per minute))                     '117.262'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Cheap Guy'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '103497'
'TPE1' (Lead performer(s)/Soloist(s))               'Voodoo Glow Skulls'
'TPE2' (Band/orchestra/accompaniment)               'Voodoo Glow Skulls'
'TPUB' (Publisher)                                  'Dr. Strange'
'TRCK' (Track number/Position in set)               '11'
'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'                                   ['ska punk', 'punk rock', 'ska', 'skacore', 'punk']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.445043'

========================== row from database ==========================
                                              'id'  1284728
                                            'path'  /data/Music/Bulk/00poprockelectronic/Voodoo Glow Skulls/Voodoo Glow Skulls - Cheap Guy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  103
                                           'genre'  rock-gr-punk
                                        'filesize'  1679156
                                           'mtime'  1621696019
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock gr punk
                                      'tag_artist'  Voodoo Glow Skulls
                                     'tag_release'  Who Is? This Is?
                                       'tag_title'  Cheap Guy
                                             'bpm'  117.262
                                    'search_title'  'cheap':1 'guy':2
                                   'search_artist'  'glow':2 'skulls':3 'voodoo':1
                                  'search_release'  'is':2 'this':3 'who':1
                                     'search_rest'  '00poprockelectronic':1 'gr':3 'punk':4 'rock':2
                                    'search_combo'  '00poprockelectronic':9 'cheap':1A 'glow':4B 'gr':11 'guy':2A 'is':7C 'punk':12 'rock':10 'skulls':5B 'this':8C 'voodoo':3B 'who':6C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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'  ['ska punk', 'punk rock', 'ska', 'skacore', 'punk']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621696019.0914376  (2021-05-22 17:06:59)
                             'size'  1679156