======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '959'
                                          'artist'  'Sunn O)))'
                                     'text_people'  ''
                                         'release'  'Black One'
                                           'title'  'Bathory Erzsebet'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-drone'
                                             'bpm'  '123.106'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'TheTrueMickster@Soulseek'
'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')
'PRIV:WM/Provider:M\x00u\x00z\x00e\x00\x00\x00'     PRIV(owner='WM/Provider', data=b'M\x00u\x00z\x00e\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x9d°\x125Ë\x0cyG\x93¿xö@Ù\x01_'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9d\xb0\x125\xcb\x0cyG\x93\xbfx\xf6@\xd9\x01_')
'PRIV:WM/WMCollectionID:\x9d°\x125Ë\x0cyG\x93¿xö@Ù\x01_'  PRIV(owner='WM/WMCollectionID', data=b'\x9d\xb0\x125\xcb\x0cyG\x93\xbfx\xf6@\xd9\x01_')
'PRIV:WM/WMContentID:P\x04\x9a+\x07\x86EJ¸ì|Úý\x0e@Î'  PRIV(owner='WM/WMContentID', data=b'P\x04\x9a+\x07\x86EJ\xb8\xec|\xda\xfd\x0e@\xce')
'TALB' (Album/Movie/Show title)                     'Black One'
'TBPM' (BPM (beats per minute))                     '123.106'
'TCON' (Content type, a.k.a. Genre)                 'electronic-drone'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Bathory Erzsebet'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sunn 0)))'
'TPE2' (Band/orchestra/accompaniment)               'Sunn O)))'
'TPUB' (Publisher)                                  'Southern Lord'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.81 dB'
'TXXX:replaygain_track_peak'                        '0.425794'

========================== row from database ==========================
                                              'id'  1319799
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sun o)))/Black 1/Sunn 0))) - Black One - 07 - Bathory Erzsebet.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  959
                                           'genre'  electronic-drone
                                        'filesize'  23033657
                                           'mtime'  1636913473
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic o))) 1 0))) 07 electronic drone
                                      'tag_artist'  Sunn O)))
                                     'tag_release'  Black One
                                       'tag_title'  Bathory Erzsebet
                                             'bpm'  123.106
                                    'search_title'  'bathory':1 'erzsebet':2
                                   'search_artist'  'o':2,3 'sunn':1
                                  'search_release'  'black':1 'one':2
                                     'search_rest'  '0':5,6 '00poprockelectronic':1 '1':4 'drone':8 'electronic':7 'o':2,3
                                    'search_combo'  '0':12,13 '00poprockelectronic':8 '1':11 'bathory':1A 'black':6C 'drone':15 'electronic':14 'erzsebet':2A 'o':4B,5B,9,10 'one':7C 'sunn':3B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636913473.3451865  (2021-11-14 19:11:13)
                             'size'  23033657