======================== unified (from filesystem) ========================
                                         'bitrate'  '187.565'
                                        'duration'  '314'
                                          'artist'  'Ozzy Osbourne'
                                     'text_people'  ''
                                         'release'  'No Rest For The Wicked'
                                           'title'  "Devil's Daughter"
                                           '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-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'rock', 'hard rock', 'metal', 'heavy metal']"
                                     'discogstags'  "['rock', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '108.646'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '6E0A1309'
'COMM:ID3v1 Comment:XXX'                            '6E0A1309'
'TALB' (Album/Movie/Show title)                     'No Rest For The Wicked'
'TBPM' (BPM (beats per minute))                     '108.646'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         "Devil's Daughter"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ozzy Osbourne'
'TRCK' (Track number/Position in set)               '2/9'
'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', 'heavy metal']
'TXXX:lastfmtags'                                   ['classic rock', 'rock', 'hard rock', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.451102'

========================== row from database ==========================
                                              'id'  1505934
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Ozzy Osbourne/No Rest For The Wicked/Ozzy Osbourne - Devil_s Daughter - 02.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  314
                                           'genre'  rock-cppex-classic
                                        'filesize'  7369720
                                           'mtime'  1636038776
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Devil_s 02 rock cppex classic
                                      'tag_artist'  Ozzy Osbourne
                                     'tag_release'  No Rest For The Wicked
                                       'tag_title'  Devil's Daughter
                                             'bpm'  108.646
                                    'search_title'  'daughter':4 'devil':1 'devils':3 's':2
                                   'search_artist'  'osbourne':2 'ozzy':1
                                  'search_release'  'for':3 'no':1 'rest':2 'the':4 'wicked':5
                                     'search_rest'  'classic':6 'classicprogpsy':1 'cppex':5 'devil':2 'rock':4 's':3
                                    'search_combo'  'classic':17 'classicprogpsy':12 'cppex':16 'daughter':4A 'devil':1A,13 'devils':3A 'for':9C 'no':7C 'osbourne':6B 'ozzy':5B 'rest':8C 'rock':15 's':2A,14 'the':10C 'wicked':11C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'rock', 'hard rock', 'metal', 'heavy metal']
                                        'tag_date'  1989
                                     'discogstags'  ['rock', 'heavy metal']

============================== file details ==============================
                                           'mtime'  1636038776.4473374  (2021-11-04 16:12:56)
                             'size'  7369720