======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '303'
                                          'artist'  'Jean Knight'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Toot Toot (long version)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['stax', 'rnb', 'rhythm and blues', 'soul', 'funk']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '88.168'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '88.168'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'My Toot Toot (long version)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean Knight'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['stax', 'rnb', 'rhythm and blues', 'soul', 'funk']
'TXXX:other'                                        'B'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.602068'

========================== row from database ==========================
                                              'id'  1335231
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/129-B Jean Knight - My Toot Toot (long version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  303
                                           'genre'  funk or soul
                                        'filesize'  12136498
                                           'mtime'  1628357914
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 129 B funk or soul
                                      'tag_artist'  Jean Knight
                                     'tag_release'  None
                                       'tag_title'  My Toot Toot (long version)
                                             'bpm'  88.168
                                    'search_title'  'long':3,4 'my':1 'toot':2 'version':5,6
                                   'search_artist'  'jean':1 'knight':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '129':4 '1985':2 'b':5 'complete':3 'funk':6 'or':7 'soul':8
                                    'search_combo'  '00poprockelectronic':9 '129':12 '1985':10 'b':13 'complete':11 'funk':14 'jean':7B 'knight':8B 'long':3A,4A 'my':1A 'or':15 'soul':16 'toot':2A 'version':5A,6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['stax', 'rnb', 'rhythm and blues', 'soul', 'funk']
                                        'tag_date'  1985
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1628357913.585857  (2021-08-07 19:38:33)
                             'size'  12136498