======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '226'
                                          'artist'  'Jonas Blue'
                                     'text_people'  ''
                                         'release'  'M.O.S. Marbella Collection 2016 - CD3'
                                           'title'  'Fast Car'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'house', 'british', 'tropical house', 'dance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '20'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '118.1'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'M.O.S. Marbella Collection 2016 - CD3'
'TBPM' (BPM (beats per minute))                     '118.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Fast Car'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jonas Blue'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02/20'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.99, 320 Kbit/s, 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'                                   ['electronic', 'house', 'british', 'tropical house', 'dance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.443177'

========================== row from database ==========================
                                              'id'  1307298
                                            'path'  /data/Music/Bulk/00poprockelectronic/M.O.S. Marbella Collection 2016 - CD3/02 - Jonas Blue - Fast Car.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  226
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9418185
                                           'mtime'  1621696330
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 electronic generic or radio dance
                                      'tag_artist'  Jonas Blue
                                     'tag_release'  M.O.S. Marbella Collection 2016 - CD3
                                       'tag_title'  Fast Car
                                             'bpm'  118.1
                                    'search_title'  'car':2 'fast':1
                                   'search_artist'  'blue':2 'jonas':1
                                  'search_release'  '2016':7 'cd3':8 'collection':6 'm':1 'marbella':5 'mos':4 'o':2 's':3
                                     'search_rest'  '00poprockelectronic':1 'dance':6 'electronic':2 'generic':3 'or':4 'radio':5
                                    'search_combo'  '00poprockelectronic':13 '2016':11C 'blue':4B 'car':2A 'cd3':12C 'collection':10C 'dance':18 'electronic':14 'fast':1A 'generic':15 'jonas':3B 'm':5C 'marbella':9C 'mos':8C 'o':6C 'or':16 'radio':17 's':7C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'house', 'british', 'tropical house', 'dance']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696329.8218954  (2021-05-22 17:12:09)
                             'size'  9418185