======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '75'
                                          'artist'  'Gianni Ferrio'
                                     'text_people'  ''
                                         'release'  'Il Killer'
                                           'title'  "Fino All'ultimo Gelato"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', 'Q-PIANO-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']"
                                     'discogstags'  "['soundtrack', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'soundtrack-video;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '138.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'APIC: '                                            type PictureType.OTHER_FILE_ICON (Other file icon) b' '
                                     
'PRIV:WM/Mood:B\x00e\x00a\x00t\x00\x00\x00'         PRIV(owner='WM/Mood', data=b'B\x00e\x00a\x00t\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Il Killer'
'TBPM' (BPM (beats per minute))                     '138.8'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         "Fino All'ultimo Gelato"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gianni Ferrio'
'TPE2' (Band/orchestra/accompaniment)               'Gianni Ferrio'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:RELEASE DATE'                                 '1969'
'TXXX:discogstags'                                  ['soundtrack', 'stage & screen']
'TXXX:lastfmtags'                                   ['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.21 dB'
'TXXX:replaygain_track_peak'                        '0.694531'

========================== row from database ==========================
                                              'id'  1517854
                                            'path'  /data/Music/Bulk/0soundtrack/1969 - Il Killer/11 Fino All_Ultimo Gelato.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  75
                                           'genre'  soundtrack-video;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2186133
                                           'mtime'  1620332505
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 1969 11 All_Ultimo soundtrack video;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Gianni Ferrio
                                     'tag_release'  Il Killer
                                       'tag_title'  Fino All'ultimo Gelato
                                             'bpm'  138.8
                                    'search_title'  'all':2 'allultimo':4 'fino':1 'gelato':5 'ultimo':3
                                   'search_artist'  'ferrio':2 'gianni':1
                                  'search_release'  'il':1 'killer':2
                                     'search_rest'  '0soundtrack':1 '1969':2 'all':3 'mor':15 'pl':10 'set':7,9,12,14 'shirleyspinoza':11,13 'soundtrack':5 'ultimo':4 'video':6,8
                                    'search_combo'  '0soundtrack':10 '1969':11 'all':2A,12 'allultimo':4A 'ferrio':7B 'fino':1A 'gelato':5A 'gianni':6B 'il':8C 'killer':9C 'mor':24 'pl':19 'set':16,18,21,23 'shirleyspinoza':20,22 'soundtrack':14 'ultimo':3A,13 'video':15,17
                                    'tag_tracknum'  11
                                      'num_images'  2
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']
                                        'tag_date'  1969
                                     'discogstags'  ['soundtrack', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1620332505.201429  (2021-05-06 22:21:45)
                             'size'  2186133