======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '135'
                                          'artist'  'Cheers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Black Denim Trousers'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['tv show', 'hard rock', 'swedish hard rock', 'bird', 'swedish rock']"
                                     'discogstags'  "['electronic', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '31'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '102.230'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '102.230'
'TIT2' (Title/songname/content description)         'Black Denim Trousers'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cheers'
'TRCK' (Track number/Position in set)               '16/31'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.97, 128 Kbit/s, Joint Stereo, High quality'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'euro house']
'TXXX:lastfmtags'                                   ['tv show', 'hard rock', 'swedish hard rock', 'bird', 'swedish rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.513824'

========================== row from database ==========================
                                              'id'  1329450
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Cheers - Black Denim Trousers.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  135
                                           'genre'  
                                        'filesize'  2170286
                                           'mtime'  1652397889
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean
                                      'tag_artist'  Cheers
                                     'tag_release'  None
                                       'tag_title'  Black Denim Trousers
                                             'bpm'  102.23
                                    'search_title'  'black':1 'denim':2 'trousers':3
                                   'search_artist'  'cheers':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'clean':2
                                    'search_combo'  '00poprockelectronic':5 'black':1A 'cheers':4B 'clean':6 'denim':2A 'trousers':3A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['tv show', 'hard rock', 'swedish hard rock', 'bird', 'swedish rock']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1652397889.33153  (2022-05-13 01:24:49)
                             'size'  2170286