======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '140'
                                          'artist'  "Francesco De Masi - (F. 'Napoli Spara!')"
                                     'text_people'  ''
                                         'release'  'Francesco De Masi Italia A Mano Armata (Compilation)'
                                           'title'  "Weapons Of Death ('77)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '124.2'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000061C 00000394 00001C5C 00000CE2 000186CE 000186E5 00005372 000048BF '
 '000186E5 000186CE')
'PRIV:AverageLevel:\x11\x12\x00\x00'                PRIV(owner='AverageLevel', data=b'\x11\x12\x00\x00')
'PRIV:PeakValue:Ët\x00\x00'                         PRIV(owner='PeakValue', data=b'\xcbt\x00\x00')
'TALB' (Album/Movie/Show title)                     'Francesco De Masi Italia A Mano Armata (Compilation)'
'TBPM' (BPM (beats per minute))                     '124.2'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Weapons Of Death ('77)"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               "Francesco De Masi - (F. 'Napoli Spara!')"
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.25 dB'
'TXXX:replaygain_track_peak'                        '0.912481'

========================== row from database ==========================
                                              'id'  1526739
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Francesco De Masi - (F. _Napoli Spara!_) - Weapons Of Death (_77).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  140
                                           'genre'  funk or soul
                                        'filesize'  3370880
                                           'mtime'  1628357825
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _Napoli Spara!_) (_77) funk or soul
                                      'tag_artist'  Francesco De Masi - (F. 'Napoli Spara!')
                                     'tag_release'  Francesco De Masi Italia A Mano Armata (Compilation)
                                       'tag_title'  Weapons Of Death ('77)
                                             'bpm'  124.2
                                    'search_title'  '77':4,5 'death':3 'of':2 'weapons':1
                                   'search_artist'  'de':2 'f':4,5 'francesco':1 'masi':3 'napoli':6,7 'spara':8,9
                                  'search_release'  'a':5 'armata':7 'compilation':8,9 'de':2 'francesco':1 'italia':4 'mano':6 'masi':3
                                     'search_rest'  '70':6 '77':11,12 'easy':4 'funk':2 'instr':5 'napoli':8 'or':13 's':7 'soul':3 'spara':9,10 'swing':1
                                    'search_combo'  '70':29 '77':4A,5A,34,35 'a':19C 'armata':21C 'compilation':22C,23C 'de':7B,16C 'death':3A 'easy':27 'f':9B,10B 'francesco':6B,15C 'funk':25 'instr':28 'italia':18C 'mano':20C 'masi':8B,17C 'napoli':11B,12B,31 'of':2A 'or':36 's':30 'soul':26 'spara':13B,14B,32,33 'swing':24 'weapons':1A
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357825.0095432  (2021-08-07 19:37:05)
                             'size'  3370880