======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'Manhattan Transfer'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Java Jive'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'vocal jazz', 'swing', 'pop', '77davez-all-tracks']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '100.755'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.755'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TIT2' (Title/songname/content description)         'Java Jive'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Manhattan Transfer'
'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:lastfmtags'                                   ['jazz', 'vocal jazz', 'swing', 'pop', '77davez-all-tracks']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.81 dB'
'TXXX:replaygain_track_peak'                        '0.633079'
'UFID:http://www.jhutveckling.se'                   UFID(owner='http://www.jhutveckling.se', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x82\x00\x93\x00\x8f\x00e\x00\x00\x00\x00\x00\x00\x00\x00')

========================== row from database ==========================
                                              'id'  785418
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Various/Manhattan Transfer - Java Jive.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3367178
                                           'mtime'  1620537093
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Various prerock jb jazz unsorted
                                      'tag_artist'  Manhattan Transfer
                                     'tag_release'  None
                                       'tag_title'  Java Jive
                                             'bpm'  100.755
                                    'search_title'  'java':1 'jive':2
                                   'search_artist'  'manhattan':1 'transfer':2
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8 'various':5
                                    'search_combo'  'country':8 'exotica':6 'java':1A 'jazz':5 'jb':11 'jive':2A 'manhattan':3B 'oldies':7 'prerock':10 'transfer':4B 'unsorted':12 'various':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'vocal jazz', 'swing', 'pop', '77davez-all-tracks']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537093.2445912  (2021-05-09 07:11:33)
                             'size'  3367178