======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '339'
                                          'artist'  'Jamiroquai'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'When You Gonna Learn (origina'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'acid jazz', 'electronic', 'pop', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '92.097'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '92.097'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'When You Gonna Learn (origina'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jamiroquai'
'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'                                   ['dance', 'acid jazz', 'electronic', 'pop', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.610249'
'UFID:http://www.jhutveckling.se'                   UFID(owner='http://www.jhutveckling.se', data=b'\x00\x00\x00\x00\x00\x00\x00\x00>\x00\x93\x00\x8f\x00e\x00\x00\x00\x00\x00\x00\x00\x00')

========================== row from database ==========================
                                              'id'  1403321
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Jamiroquai - When You Gonna Learn (Original).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  339
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5433388
                                           'mtime'  1621695852
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat (Original) electronic generic radio dance
                                      'tag_artist'  Jamiroquai
                                     'tag_release'  None
                                       'tag_title'  When You Gonna Learn (origina
                                             'bpm'  92.097
                                    'search_title'  'gonna':3 'learn':4 'origina':5,6 'when':1 'you':2
                                   'search_artist'  'jamiroquai':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':7 'generic':2 'original':5,6 'radio':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':8 'dance':10 'electronic':14 'generic':9 'gonna':3A 'jamiroquai':7B 'learn':4A 'origina':5A,6A 'original':12,13 'radio':15 'trapbeat':11 'when':1A 'you':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'acid jazz', 'electronic', 'pop', 'funk']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695851.8896317  (2021-05-22 17:04:11)
                             'size'  5433388