======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '293'
                                          'artist'  'Ravi Shankar'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-PLAY-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['sitar', 'world', 'indian classical', 'indian', 'world music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '128.089'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'C:\\Music\\Ravi Shankar - Tabla-'
'COMM:MusicMatch_Path:XXX'                          'C:\\Music\\Ravi Shankar - Tabla-Dhwani.mp3'
'TBPM' (BPM (beats per minute))                     '128.089'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '292000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ravi Shankar'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['sitar', 'world', 'indian classical', 'indian', 'world music']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.90 dB'
'TXXX:replaygain_track_peak'                        '0.949540'
'TXXX:title'                                        ['Tabla-Dhwani', 'Ravi Shankar - Tabla-Dhwani']

========================== row from database ==========================
                                              'id'  1277308
                                            'path'  /data/Music/Bulk/00localcharacter/Tabla Beat Science/Tabla Beat Science - Ravi Shankar - Tabla-Dhwani.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  293
                                           'genre'  loc-unsorted
                                        'filesize'  4690319
                                           'mtime'  1620401413
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Tabla Beat Science Tabla Beat Science Tabla Dhwani loc unsorted
                                      'tag_artist'  Ravi Shankar
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  128.089
                                    'search_title'  None
                                   'search_artist'  'ravi':1 'shankar':2
                                  'search_release'  
                                     'search_rest'  'beat':2 'dhwani':4 'loc':5 'science':3 'tabla':1 'unsorted':6
                                    'search_combo'  'beat':4 'dhwani':6 'loc':7 'ravi':1B 'science':5 'shankar':2B 'tabla':3 'unsorted':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['sitar', 'world', 'indian classical', 'indian', 'world music']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401412.8601995  (2021-05-07 17:30:12)
                             'size'  4690319