======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '80'
                                          'artist'  'Ferrante & Teicher'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'A Bee And His Honey'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-PIANO-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'lounge', 'space age pop', 'illstreet', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '30'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '140.433'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'A Bee And His Honey'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ferrante & Teicher'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5/30'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'lounge', 'space age pop', 'illstreet', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.18 dB'
'TXXX:replaygain_track_peak'                        '0.478360'

========================== row from database ==========================
                                              'id'  949174
                                            'path'  /data/Music/Bulk/sns/Ferrante_and_Teicher_-_A_Bee_And_His_Honey.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  80
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1938458
                                           'mtime'  1620356733
                                   'redo_metaread'  0
                                        'rest_str'   sns Ferrante_and_Teicher_ _A_Bee_And_His_Honey set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Ferrante & Teicher
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  A Bee And His Honey
                                             'bpm'  140.433
                                    'search_title'  'a':1 'and':3 'bee':2 'his':4 'honey':5
                                   'search_artist'  'ferrante':1 'teicher':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'a':5 'and':3,7 'bee':6 'ferrante':2 'his':8 'honey':9 'mor':16 'pl':11 'set':10,13,15 'shirleyspinoza':12,14 'sns':1 'teicher':4
                                    'search_combo'  'a':1A,14 'and':3A,12,16 'bee':2A,15 'ferrante':6B,11 'his':4A,17 'honey':5A,18 'mor':25 'pl':20 'set':19,22,24 'shirley':8C 'shirleyspinoza':21,23 'sns':10 'spinoza':9C 'teicher':7B,13
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'lounge', 'space age pop', 'illstreet', 'easy listening']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356733.2712407  (2021-05-07 05:05:33)
                             'size'  1938458