======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '170'
                                          'artist'  'Ray Charles'
                                     'text_people'  ''
                                         'release'  'Ray OST'
                                           'title'  'Unchain My Heart'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'rhythm and blues', 'soul', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '137.478'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Ray OST'
'TBPM' (BPM (beats per minute))                     '137.478'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Unchain My Heart'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ray Charles'
'TRCK' (Track number/Position in set)               '11'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'rhythm and blues', 'soul', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.485668'

========================== row from database ==========================
                                              'id'  678450
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Ray Charles/cifsdabe.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  170
                                           'genre'  soundtrack-video
                                        'filesize'  4085174
                                           'mtime'  1620331667
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country cifsdabe soundtrack video
                                      'tag_artist'  Ray Charles
                                     'tag_release'  Ray OST
                                       'tag_title'  Unchain My Heart
                                             'bpm'  137.478
                                    'search_title'  'heart':3 'my':2 'unchain':1
                                   'search_artist'  'charles':2 'ray':1
                                  'search_release'  'ost':2 'ray':1
                                     'search_rest'  'cifsdabe':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'soundtrack':6 'video':7
                                    'search_combo'  'charles':5B 'cifsdabe':12 'country':11 'exotica':9 'heart':3A 'jazz':8 'my':2A 'oldies':10 'ost':7C 'ray':4B,6C 'soundtrack':13 'unchain':1A 'video':14
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  1A
                                           '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-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'rhythm and blues', 'soul', 'oldies']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331666.7808259  (2021-05-06 22:07:46)
                             'size'  4085174