======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '201'
                                          'artist'  'Linea 77'
                                     'text_people'  ''
                                         'release'  'Artisti vari ANTEPRIME'
                                           'title'  'Evoluzione'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rapcore', 'metal', 'crossover', 'alternative', 'nu metal', 'italian']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '112.508'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'B00A7A0C+201316+12+150+14151'
'COMM:iTunes_CDDB_1:eng'                            'B00A7A0C+201316+12+150+14151+29048+48654+63074+80119+95209+116611+134887+152507+166364+182707'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'PRIV:AverageLevel:s(\x00\x00'                      PRIV(owner='AverageLevel', data=b's(\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x009\x009\x005\x009\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x003\x000\x006\x008\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x007\x003\x009\x007\x003\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x009\x009\x005\x009\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x003\x000\x006\x008\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x007\x003\x009\x007\x003\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x91\x07\x15¡¨R\x1cK§)XV\x95ò\x07B'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x91\x07\x15\xa1\xa8R\x1cK\xa7)XV\x95\xf2\x07B')
'PRIV:WM/WMCollectionID:\x91\x07\x15¡¨R\x1cK§)XV\x95ò\x07B'  PRIV(owner='WM/WMCollectionID', data=b'\x91\x07\x15\xa1\xa8R\x1cK\xa7)XV\x95\xf2\x07B')
"PRIV:WM/WMContentID:<3À'\x16\x86\x0bM\x81næÛ\x12ÑÉX"  PRIV(owner='WM/WMContentID', data=b"<3\xc0'\x16\x86\x0bM\x81n\xe6\xdb\x12\xd1\xc9X")
'TALB' (Album/Movie/Show title)                     'Artisti vari ANTEPRIME'
'TBPM' (BPM (beats per minute))                     '112.508'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.8'
'TIT2' (Title/songname/content description)         'Evoluzione'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Linea77'
'TPE2' (Band/orchestra/accompaniment)               'Linea 77'
'TPUB' (Publisher)                                  'Earache'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rapcore', 'metal', 'crossover', 'alternative', 'nu metal', 'italian']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.81 dB'
'TXXX:replaygain_track_peak'                        '0.338766'

========================== row from database ==========================
                                              'id'  1327880
                                            'path'  /data/Music/Bulk/00poprockelectronic/Linea 77/Available for Propaganda/Linea 77 - Evoluzione.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  201
                                           'genre'  rock-unsorted
                                        'filesize'  6442919
                                           'mtime'  1620391051
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Available for Propaganda rock unsorted
                                      'tag_artist'  Linea 77
                                     'tag_release'  Artisti vari ANTEPRIME
                                       'tag_title'  Evoluzione
                                             'bpm'  112.508
                                    'search_title'  'evoluzione':1
                                   'search_artist'  '77':2 'linea':1
                                  'search_release'  'anteprime':3 'artisti':1 'vari':2
                                     'search_rest'  '00poprockelectronic':1 'available':2 'for':3 'propaganda':4 'rock':5 'unsorted':6
                                    'search_combo'  '00poprockelectronic':7 '77':3B 'anteprime':6C 'artisti':4C 'available':8 'evoluzione':1A 'for':9 'linea':2B 'propaganda':10 'rock':11 'unsorted':12 'vari':5C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rapcore', 'metal', 'crossover', 'alternative', 'nu metal', 'italian']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620391050.733862  (2021-05-07 14:37:30)
                             'size'  6442919