======================== unified (from filesystem) ========================
                                         'bitrate'  '201.137'
                                        'duration'  '223'
                                          'artist'  'Sonz of De Loop De Loop'
                                     'text_people'  ''
                                         'release'  'Best of Rave Volume 3'
                                           'title'  'Far Out'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rave', 'breakbeat', 'old school hardcore', 'oldskool', 'breakbeat hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-th-house'
                                             'bpm'  '89.9'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '9B0DA30C'
'TALB' (Album/Movie/Show title)                     'Best of Rave Volume 3'
'TBPM' (BPM (beats per minute))                     '89.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-house'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Far Out'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonz of De Loop De Loop'
'TRCK' (Track number/Position in set)               '11/12'
'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'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rave', 'breakbeat', 'old school hardcore', 'oldskool', 'breakbeat hardcore']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.870309'

========================== row from database ==========================
                                              'id'  1349199
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Prodigy - Best of Rave Volume 3/Sonz of De Loop De Loop - 11 - Far Out.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  223
                                           'genre'  electronic-th-house
                                        'filesize'  5614601
                                           'mtime'  1621696737
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Prodigy 11 electronic th house
                                      'tag_artist'  Sonz of De Loop De Loop
                                     'tag_release'  Best of Rave Volume 3
                                       'tag_title'  Far Out
                                             'bpm'  89.9
                                    'search_title'  'far':1 'out':2
                                   'search_artist'  'de':3 'loop':4 'of':2 'sonz':1
                                  'search_release'  '3':5 'best':1 'of':2 'rave':3 'volume':4
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':7 'harder':4 'house':3 'prodigy':6 'th':8
                                    'search_combo'  '00poprockelectronic':12 '00techno':13 '3':11C 'beats':16 'best':7C 'de':5B 'electronic':18 'far':1A 'harder':15 'house':14 'loop':6B 'of':4B,8C 'out':2A 'prodigy':17 'rave':9C 'sonz':3B 'th':19 'volume':10C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rave', 'breakbeat', 'old school hardcore', 'oldskool', 'breakbeat hardcore']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696736.654192  (2021-05-22 17:18:56)
                             'size'  5614601