======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '154'
                                          'artist'  "The RZA & Ol' Dirty Bastard"
                                     'text_people'  ''
                                         'release'  'Kill Bill: Vol. 2'
                                           'title'  'Black Mamba'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-4', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hip-hop', 'rap', 'wu-tang', 'hip hop', 'gangsta rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '91.722'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kill Bill: Vol. 2'
'TBPM' (BPM (beats per minute))                     '91.722'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Black Mamba'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               "The RZA & Ol' Dirty Bastard"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf57.25.100'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '4'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['hip-hop', 'rap', 'wu-tang', 'hip hop', 'gangsta rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.369031'

========================== row from database ==========================
                                              'id'  1528211
                                            'path'  /data/Music/Bulk/0soundtrack/2004 - Morricone, Ennio - OST _Kill Bill II_/18 - Black Mamba.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  154
                                           'genre'  soundtrack-video-movies
                                        'filesize'  6172442
                                           'mtime'  1621695563
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 2004 Morricone, Ennio OST _Kill II_ 18 soundtrack video movies
                                      'tag_artist'  The RZA & Ol' Dirty Bastard
                                     'tag_release'  Kill Bill: Vol. 2
                                       'tag_title'  Black Mamba
                                             'bpm'  91.722
                                    'search_title'  'black':1 'mamba':2
                                   'search_artist'  'bastard':6 'dirty':5 'ol':3,4 'rza':2 'the':1
                                  'search_release'  '2':6 'bill':2,3 'kill':1 'vol':4,5
                                     'search_rest'  '0soundtrack':1 '18':9 '2004':2 'ennio':5 'ii':8 'kill':7 'morricone':3,4 'movies':12 'ost':6 'soundtrack':10 'video':11
                                    'search_combo'  '0soundtrack':15 '18':23 '2':14C '2004':16 'bastard':8B 'bill':10C,11C 'black':1A 'dirty':7B 'ennio':19 'ii':22 'kill':9C,21 'mamba':2A 'morricone':17,18 'movies':26 'ol':5B,6B 'ost':20 'rza':4B 'soundtrack':24 'the':3B 'video':25 'vol':12C,13C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-4', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'rap', 'wu-tang', 'hip hop', 'gangsta rap']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695563.081825  (2021-05-22 16:59:23)
                             'size'  6172442