======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '415'
                                          'artist'  'Bob James'
                                     'text_people'  ''
                                         'release'  'Sign Of The Times'
                                           'title'  'Body And Soul'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['smooth jazz', 'jazz', 'fusion', 'funk']"
                                     'discogstags'  "['jazz', 'funk / soul', 'soul-jazz', 'fusion', 'jazz-funk', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '132.012'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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)                     'Sign Of The Times'
'TBPM' (BPM (beats per minute))                     '132.012'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Body And Soul'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob James'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'funk / soul', 'soul-jazz', 'fusion', 'jazz-funk', 'easy listening']
'TXXX:lastfmtags'                                   ['smooth jazz', 'jazz', 'fusion', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.821179'

========================== row from database ==========================
                                              'id'  766354
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bob James/Bob James - Body And Soul.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  415
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  9993180
                                           'mtime'  1620528293
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country prerock jb jazz unsorted
                                      'tag_artist'  Bob James
                                     'tag_release'  Sign Of The Times
                                       'tag_title'  Body And Soul
                                             'bpm'  132.012
                                    'search_title'  'and':2 'body':1 'soul':3
                                   'search_artist'  'bob':1 'james':2
                                  'search_release'  'of':2 'sign':1 'the':3 'times':4
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5 'unsorted':7
                                    'search_combo'  'and':2A 'bob':4B 'body':1A 'country':13 'exotica':11 'james':5B 'jazz':10 'jb':15 'of':7C 'oldies':12 'prerock':14 'sign':6C 'soul':3A 'the':8C 'times':9C 'unsorted':16
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['smooth jazz', 'jazz', 'fusion', 'funk']
                                        'tag_date'  1981
                                     'discogstags'  ['jazz', 'funk / soul', 'soul-jazz', 'fusion', 'jazz-funk', 'easy listening']

============================== file details ==============================
                                           'mtime'  1620528293.2165658  (2021-05-09 04:44:53)
                             'size'  9993180