======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '238'
                                          'artist'  'Bass Drum of Death'
                                     'text_people'  ''
                                         'release'  'GB City'
                                           'title'  'Leaves'
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'garage rock', 'lo fi', 'punk', 'garage']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage'
                                             'bpm'  '102.5'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'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')
'TALB' (Album/Movie/Show title)                     'GB City'
'TBPM' (BPM (beats per minute))                     '102.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-garage'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Leaves'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bass Drum of Death'
'TRCK' (Track number/Position in set)               '9/11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'garage rock', 'lo fi', 'punk', 'garage']
'TXXX:original release date'                        ['2011', '2011']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.39 dB'
'TXXX:replaygain_track_peak'                        '0.366097'

========================== row from database ==========================
                                              'id'  1420750
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Bass Drum of Death - GB City (2011)/Bass Drum of Death - GB City (2011)/09. Leaves.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  238
                                           'genre'  rock-gr-garage
                                        'filesize'  9534720
                                           'mtime'  1620388165
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner (2011) (2011) 09. rock gr garage
                                      'tag_artist'  Bass Drum of Death
                                     'tag_release'  GB City
                                       'tag_title'  Leaves
                                             'bpm'  102.5
                                    'search_title'  'leaves':1
                                   'search_artist'  'bass':1 'death':4 'drum':2 'of':3
                                  'search_release'  'city':2 'gb':1
                                     'search_rest'  '09':7,8 '2011':5,6 'garage':2 'gr':10 'punk':1 'rock':9 'stoner':4 'surf':3
                                    'search_combo'  '09':14,15 '2011':12,13 'bass':2B 'city':7C 'death':5B 'drum':3B 'garage':9 'gb':6C 'gr':17 'leaves':1A 'of':4B 'punk':8 'rock':16 'stoner':11 'surf':10
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'garage rock', 'lo fi', 'punk', 'garage']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620388165.02919  (2021-05-07 13:49:25)
                             'size'  9534720