======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '246'
                                          'artist'  'The Simpsons'
                                     'text_people'  ''
                                         'release'  'The Yellow Album'
                                           'title'  'Funny How Time Slips Away'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']"
                                     'discogstags'  ("['hip hop', 'funk / soul', 'pop', 'folk, world, & country', 'country', 'pop "
 "rap', 'electro', 'soul']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '142.708'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'American'
'TALB' (Album/Movie/Show title)                     'The Yellow Album'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Funny How Time Slips Away'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Simpsons'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['hip hop',
 'funk / soul',
 'pop',
 'folk, world, & country',
 'country',
 'pop rap',
 'electro',
 'soul']
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.38 dB'
'TXXX:replaygain_track_peak'                        '0.385789'

========================== row from database ==========================
                                              'id'  259439
                                            'path'  /data/Music/Bulk/0soundtrack/The Simpsons/The Yellow Album__cifs2373.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  246
                                           'genre'  soundtrack-video
                                        'filesize'  5911729
                                           'mtime'  1647277706
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Album__cifs2373 soundtrack video
                                      'tag_artist'  The Simpsons
                                     'tag_release'  The Yellow Album
                                       'tag_title'  Funny How Time Slips Away
                                             'bpm'  142.708
                                    'search_title'  'away':5 'funny':1 'how':2 'slips':4 'time':3
                                   'search_artist'  'simpsons':2 'the':1
                                  'search_release'  'album':3 'the':1 'yellow':2
                                     'search_rest'  '0soundtrack':1 'album':2 'cifs2373':3 'soundtrack':4 'video':5
                                    'search_combo'  '0soundtrack':11 'album':10C,12 'away':5A 'cifs2373':13 'funny':1A 'how':2A 'simpsons':7B 'slips':4A 'soundtrack':14 'the':6B,8C 'time':3A 'video':15 'yellow':9C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
                                        'tag_date'  1998
                                     'discogstags'  ['hip hop', 'funk / soul', 'pop', 'folk, world, & country', 'country', 'pop rap', 'electro', 'soul']

============================== file details ==============================
                                           'mtime'  1647277705.69546  (2022-03-14 18:08:25)
                             'size'  5911729