======================== unified (from filesystem) ========================
                                         'bitrate'  '173.612'
                                        'duration'  '461'
                                          'artist'  'Gary Moore'
                                     'text_people'  ''
                                         'release'  'Still Got The Blues'
                                           'title'  'As The Years Go Passing By'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blues rock', 'classic rock', 'blues', 'hard rock', 'rock']"
                                     'discogstags'  "['rock', 'blues', 'blues rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '142.608'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'A70C7D0C'
'COMM:ID3v1 Comment:XXX'                            'A70C7D0C'
'TALB' (Album/Movie/Show title)                     'Still Got The Blues'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'As The Years Go Passing By'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gary Moore'
'TRCK' (Track number/Position in set)               '8/12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'blues', 'blues rock']
'TXXX:lastfmtags'                                   ['blues rock', 'classic rock', 'blues', 'hard rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.836456'

========================== row from database ==========================
                                              'id'  1415355
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Gary Moore/Still Got The Blues/Gary Moore - As the Years Go Passing By - 08.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  461
                                           'genre'  rock-cppex-classic
                                        'filesize'  10010428
                                           'mtime'  1636038749
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy the 08 rock cppex classic
                                      'tag_artist'  Gary Moore
                                     'tag_release'  Still Got The Blues
                                       'tag_title'  As The Years Go Passing By
                                             'bpm'  142.608
                                    'search_title'  'as':1 'by':6 'go':4 'passing':5 'the':2 'years':3
                                   'search_artist'  'gary':1 'moore':2
                                  'search_release'  'blues':4 'got':2 'still':1 'the':3
                                     'search_rest'  'classic':5 'classicprogpsy':1 'cppex':4 'rock':3 'the':2
                                    'search_combo'  'as':1A 'blues':12C 'by':6A 'classic':17 'classicprogpsy':13 'cppex':16 'gary':7B 'go':4A 'got':10C 'moore':8B 'passing':5A 'rock':15 'still':9C 'the':2A,11C,14 'years':3A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'classic rock', 'blues', 'hard rock', 'rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock', 'blues', 'blues rock']

============================== file details ==============================
                                           'mtime'  1636038748.6719666  (2021-11-04 16:12:28)
                             'size'  10010428