======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '368'
                                          'artist'  'Jan Garbarek & Ravi Shankar'
                                     'text_people'  ''
                                         'release'  'Song For Everyone'
                                           'title'  'Paper Nut'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '86.143'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x13\x00\x00')
'PRIV:PeakValue:¡l\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1l\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')
'TALB' (Album/Movie/Show title)                     'Song For Everyone'
'TBPM' (BPM (beats per minute))                     '86.143'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Paper Nut'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '368000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jan Garbarek & Ravi Shankar'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+17.81 dB'
'TXXX:replaygain_track_peak'                        '5.225325'

========================== row from database ==========================
                                              'id'  928113
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Tabla Beat Science/Zakir Hussain/Song For Everyone/01 paper nut.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  368
                                           'genre'  loc-unsorted
                                        'filesize'  5894144
                                           'mtime'  1620400565
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Tabla Beat Science Zakir Hussain 01 paper nut loc unsorted
                                      'tag_artist'  Jan Garbarek & Ravi Shankar
                                     'tag_release'  Song For Everyone
                                       'tag_title'  Paper Nut
                                             'bpm'  86.143
                                    'search_title'  'nut':2 'paper':1
                                   'search_artist'  'garbarek':2 'jan':1 'ravi':3 'shankar':4
                                  'search_release'  'everyone':3 'for':2 'song':1
                                     'search_rest'  '00south':1 'beat':6 'east':4 'europe':2 'hussain':9 'loc':12 'middle':3 'nut':11 'paper':10 'science':7 'tabla':5 'unsorted':13 'zakir':8
                                    'search_combo'  '00south':10 'beat':15 'east':13 'europe':11 'everyone':9C 'for':8C 'garbarek':4B 'hussain':18 'jan':3B 'loc':21 'middle':12 'nut':2A,20 'paper':1A,19 'ravi':5B 'science':16 'shankar':6B 'song':7C 'tabla':14 'unsorted':22 'zakir':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620400565.1504438  (2021-05-07 17:16:05)
                             'size'  5894144