======================== unified (from filesystem) ========================
                                         'bitrate'  '228.202'
                                        'duration'  '290'
                                          'artist'  'Nick Drake'
                                     'text_people'  'Nick Drake'
                                         'release'  'Five Leaves Left'
                                           'title'  'Fruit Tree'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'mellow', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '127.044'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:u\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'u\x0e\x00\x00')
'PRIV:PeakValue:(c\x00\x00'                         PRIV(owner='PeakValue', data=b'(c\x00\x00')
'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:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x000\x006\x003\x002\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x001\x009\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x000\x008\x009\x005\x005\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x000\x006\x003\x002\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x001\x009\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x000\x008\x009\x005\x005\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\xa0¶Ó\x01t¿sE\x91é\x01TòDú\x1d'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xa0\xb6\xd3\x01t\xbfsE\x91\xe9\x01T\xf2D\xfa\x1d')
'PRIV:WM/WMCollectionID:\xa0¶Ó\x01t¿sE\x91é\x01TòDú\x1d'  PRIV(owner='WM/WMCollectionID', data=b'\xa0\xb6\xd3\x01t\xbfsE\x91\xe9\x01T\xf2D\xfa\x1d')
'PRIV:WM/WMContentID:\x9e\x93VòæÍ\x92G\x9dè~Ùi\x11\x06´'  PRIV(owner='WM/WMContentID', data=b'\x9e\x93V\xf2\xe6\xcd\x92G\x9d\xe8~\xd9i\x11\x06\xb4')
'TALB' (Album/Movie/Show title)                     'Five Leaves Left'
'TBPM' (BPM (beats per minute))                     '127.044'
'TCOM' (Composer)                                   'Nick Drake'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Fruit Tree'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nick Drake'
'TPE2' (Band/orchestra/accompaniment)               'Nick Drake'
'TPUB' (Publisher)                                  'Island'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'mellow', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.547793'

========================== row from database ==========================
                                              'id'  1306578
                                            'path'  /data/Music/Bulk/00poprockelectronic/Nick Drake/Five Leaves Left/09 - Fruit Tree - Nick Drake.mp3
                                         'working'  None
                                         'bitrate'  228
                                    'duration_sec'  290
                                           'genre'  ifs-songwriter
                                        'filesize'  8301973
                                           'mtime'  1623435828
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 ifs songwriter
                                      'tag_artist'  Nick Drake
                                     'tag_release'  Five Leaves Left
                                       'tag_title'  Fruit Tree
                                             'bpm'  127.044
                                    'search_title'  'fruit':1 'tree':2
                                   'search_artist'  'drake':2 'nick':1
                                  'search_release'  'five':1 'leaves':2 'left':3
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'songwriter':3
                                    'search_combo'  '00poprockelectronic':8 'drake':4B 'five':5C 'fruit':1A 'ifs':9 'leaves':6C 'left':7C 'nick':3B 'songwriter':10 'tree':2A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'mellow', 'folk', 'singer songwriter']
                                        'tag_date'  1969
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1623435827.9738839  (2021-06-11 20:23:47)
                             'size'  8301973