======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '180'
                                          'artist'  'Bessie Smith'
                                     'text_people'  ''
                                         'release'  'Mother Of The Blues'
                                           'title'  'Kitchen Man'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz vocal', 'blues', 'jazz', 'female vocalists', 'classic blues']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '20'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-sex'
                                             'bpm'  '114.285'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mother Of The Blues'
'TBPM' (BPM (beats per minute))                     '114.285'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-th-sex']
'TDRC' (Recording time)                             '1989'
'TENC' (Encoded by)                                 'iTunes v1.1'
'TIT2' (Title/songname/content description)         'Kitchen Man'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bessie Smith'
'TRCK' (Track number/Position in set)               '7/20'
'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'                                  'blues'
'TXXX:lastfmtags'                                   ['jazz vocal', 'blues', 'jazz', 'female vocalists', 'classic blues']
'TXXX:original release date'                        ['1990', '1989']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.93 dB'
'TXXX:replaygain_track_peak'                        '0.707361'

========================== row from database ==========================
                                              'id'  762105
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Bessie Smith - Kitchen Man.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  180
                                           'genre'  prerock-jb-jazz-unsorted;set-th-sex
                                        'filesize'  4328333
                                           'mtime'  1620541704
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy prerock jb jazz unsorted;set sex
                                      'tag_artist'  Bessie Smith
                                     'tag_release'  Mother Of The Blues
                                       'tag_title'  Kitchen Man
                                             'bpm'  114.285
                                    'search_title'  'kitchen':1 'man':2
                                   'search_artist'  'bessie':1 'smith':2
                                  'search_release'  'blues':4 'mother':1 'of':2 'the':3
                                     'search_rest'  '0novelty':2 '0playlists':1 'jazz':7 'jb':6 'prerock':5 'set':9,11 'sex':12 'sexy':4 'themes':3 'unsorted':8,10
                                    'search_combo'  '0novelty':10 '0playlists':9 'bessie':3B 'blues':8C 'jazz':15 'jb':14 'kitchen':1A 'man':2A 'mother':5C 'of':6C 'prerock':13 'set':17,19 'sex':20 'sexy':12 'smith':4B 'the':7C 'themes':11 'unsorted':16,18
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['jazz vocal', 'blues', 'jazz', 'female vocalists', 'classic blues']
                                        'tag_date'  1989
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620541703.6411378  (2021-05-09 08:28:23)
                             'size'  4328333