======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '240'
                                          'artist'  'Veruca Salt'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sound Of The Bell'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-gr-grunge'
                                             'bpm'  '128.170'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.170'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-grunge'
'TIT2' (Title/songname/content description)         'Sound Of The Bell'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Veruca Salt'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.449989'

========================== row from database ==========================
                                              'id'  1305599
                                            'path'  /data/Music/Bulk/00poprockelectronic/Veruca Salt/10 - VERUCA  SALT - Sound Of The Bell.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  240
                                           'genre'  rock-gr-grunge
                                        'filesize'  4808558
                                           'mtime'  1636903161
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10 VERUCA SALT rock gr grunge
                                      'tag_artist'  Veruca Salt
                                     'tag_release'  None
                                       'tag_title'  Sound Of The Bell
                                             'bpm'  128.17
                                    'search_title'  'bell':4 'of':2 'sound':1 'the':3
                                   'search_artist'  'salt':2 'veruca':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'gr':5 'grunge':6 'rock':4 'salt':3 'veruca':2
                                    'search_combo'  '00poprockelectronic':7 'bell':4A 'gr':11 'grunge':12 'of':2A 'rock':10 'salt':6B,9 'sound':1A 'the':3A 'veruca':5B,8
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636903161.1253805  (2021-11-14 16:19:21)
                             'size'  4808558