======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '236'
                                          'artist'  'Eric Clapton'
                                     'text_people'  ''
                                         'release'  'Change the World'
                                           'title'  'Change the World (intrumental)'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['blues rock', 'guitar', 'blues', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '97.178'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Change the World'
'TBPM' (BPM (beats per minute))                     '97.178'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Change the World (intrumental)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eric Clapton'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues rock', 'guitar', 'blues', 'rock', 'classic rock']
'TXXX:original release date'                        ['1996', '1996']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.13 dB'
'TXXX:replaygain_track_peak'                        '0.683044'

========================== row from database ==========================
                                              'id'  1303789
                                            'path'  /data/Music/Bulk/00poprockelectronic/Eric Clapton/MBZ;#Eric Clapton;#Change the World;#03;#Change the World (intrumental).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  236
                                           'genre'  rock-unsorted
                                        'filesize'  3780242
                                           'mtime'  1620389586
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Eric Clapton;#Change World;#03;#Change rock unsorted
                                      'tag_artist'  Eric Clapton
                                     'tag_release'  Change the World
                                       'tag_title'  Change the World (intrumental)
                                             'bpm'  97.178
                                    'search_title'  'change':1 'intrumental':4,5 'the':2 'world':3
                                   'search_artist'  'clapton':2 'eric':1
                                  'search_release'  'change':1 'the':2 'world':3
                                     'search_rest'  '00poprockelectronic':1 '03':11,14 'change':7,9,12,15 'clapton':6,8 'eric':3,5 'mbz':2,4 'rock':16 'unsorted':17 'world':10,13
                                    'search_combo'  '00poprockelectronic':11 '03':21,24 'change':1A,8C,17,19,22,25 'clapton':7B,16,18 'eric':6B,13,15 'intrumental':4A,5A 'mbz':12,14 'rock':26 'the':2A,9C 'unsorted':27 'world':3A,10C,20,23
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'guitar', 'blues', 'rock', 'classic rock']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389586.2347639  (2021-05-07 14:13:06)
                             'size'  3780242