======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '213'
                                          'artist'  'Domenico Modugno'
                                     'text_people'  'D. Modugno/F. Migiliacci'
                                         'release'  'Treasured Tunes, Vol. 4'
                                           'title'  'Nel Blu Dipinto Di Blu (Volare)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['italian', '50s', 'singer-songwriter', 'pop', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-easy'
                                             'bpm'  '130.566'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-007 POS 1'
'COMM:ID3v1 Comment:XXX'                            '58-007 POS 1'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x009\x006\x00+\x003\x00F\x003\x001\x00+\x006\x007\x003\x004\x00+\x009\x000\x007\x004\x00+\x00B\x002\x008\x009\x00+\x00D\x006\x00D\x00A\x00+\x001\x000\x006\x00D\x00A\x00+\x001\x002\x00F\x005\x004\x00+\x001\x005\x009\x006\x009\x00+\x001\x007\x00C\x00E\x001\x00+\x001\x00A\x009\x00A\x00F\x00+\x001\x00C\x00F\x00A\x007\x00+\x001\x00F\x008\x00C\x009\x00+\x002\x002\x005\x005\x003\x00+\x002\x005\x004\x00A\x009\x00+\x002\x008\x009\x001\x002\x00+\x002\x00C\x005\x006\x007\x00+\x002\x00F\x005\x00D\x007\x00+\x003\x003\x001\x00B\x00C\x00+\x003\x006\x00E\x00D\x009\x00+\x003\x00A\x00E\x00C\x008\x00\x00\x00')
'PRIV:AverageLevel:K\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'K\x10\x00\x00')
'PRIV:PeakValue:^}\x00\x00'                         PRIV(owner='PeakValue', data=b'^}\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 \x003\x000\x005\x001\x005\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x005\x000\x000\x005\x002\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x000\x005\x001\x005\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x005\x000\x000\x005\x002\x001\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:'öd~\x97æ$@®÷];Å\x1bN`"  PRIV(owner='WM/WMCollectionGroupID', data=b"'\xf6d~\x97\xe6$@\xae\xf7];\xc5\x1bN`")
"PRIV:WM/WMCollectionID:'öd~\x97æ$@®÷];Å\x1bN`"     PRIV(owner='WM/WMCollectionID', data=b"'\xf6d~\x97\xe6$@\xae\xf7];\xc5\x1bN`")
'PRIV:WM/WMContentID:T\x1b\x95*\x15RmKµ)|Ò\x86HuÍ'  PRIV(owner='WM/WMContentID', data=b'T\x1b\x95*\x15RmK\xb5)|\xd2\x86Hu\xcd')
'TALB' (Album/Movie/Show title)                     'Treasured Tunes, Vol. 4'
'TBPM' (BPM (beats per minute))                     '130.566'
'TCOM' (Composer)                                   'D. Modugno/F. Migiliacci'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-easy'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Nel Blu Dipinto Di Blu (Volare)'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '213693'
'TPE1' (Lead performer(s)/Soloist(s))               'Domenico Modugno'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Stardust'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['italian', '50s', 'singer-songwriter', 'pop', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.63 dB'
'TXXX:replaygain_track_peak'                        '0.490360'

========================== row from database ==========================
                                              'id'  1436950
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-007 - Domenico Modugno - Nel Blu Dipinto Di Blu (Volare).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  213
                                           'genre'  prerock-vocal-easy
                                        'filesize'  8550010
                                           'mtime'  1621625786
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 007 prerock vocal easy
                                      'tag_artist'  Domenico Modugno
                                     'tag_release'  Treasured Tunes, Vol. 4
                                       'tag_title'  Nel Blu Dipinto Di Blu (Volare)
                                             'bpm'  130.566
                                    'search_title'  'blu':2 'di':4 'dipinto':3 'nel':1 'volare':5,6
                                   'search_artist'  'domenico':1 'modugno':2
                                  'search_release'  '4':6 'treasured':1 'tunes':2,3 'vol':4,5
                                     'search_rest'  '00oldiepop':5 '1958':6 '58':7 'country':4 'easy':10 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':19 '1958':20 '4':14C '58':21 'blu':2A 'country':18 'di':4A 'dipinto':3A 'domenico':7B 'easy':24 'exotica':16 'jazz':15 'modugno':8B 'nel':1A 'oldies':17 'prerock':22 'treasured':9C 'tunes':10C,11C 'vocal':23 'vol':12C,13C 'volare':5A,6A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['italian', '50s', 'singer-songwriter', 'pop', 'oldies']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625785.7492287  (2021-05-21 21:36:25)
                             'size'  8550010