======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '209'
                                          'artist'  'Ennio Morricone'
                                     'text_people'  ''
                                         'release'  'Once Upon A Time In The West [Digipak] [UK]'
                                           'title'  'Man With A Harmonica'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'composer', 'classical', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '141.512'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x009\x006\x00+\x004\x002\x009\x007\x00+\x007\x009\x006\x003\x00+\x008\x00F\x00D\x001\x00+\x00E\x002\x007\x00C\x00+\x001\x000\x00D\x00A\x003\x00+\x001\x002\x00B\x000\x006\x00+\x001\x004\x006\x009\x007\x00+\x001\x005\x00D\x00D\x00F\x00+\x001\x007\x00D\x00B\x00A\x00+\x001\x00B\x00B\x003\x00E\x00+\x002\x001\x005\x008\x00E\x00+\x002\x003\x006\x008\x008\x00+\x002\x006\x000\x00D\x006\x00+\x002\x007\x00D\x001\x007\x00+\x002\x00A\x00E\x008\x001\x00+\x002\x00C\x000\x00F\x006\x00+\x002\x00D\x007\x000\x003\x00+\x002\x00F\x005\x00B\x002\x00+\x003\x002\x004\x003\x00A\x00+\x003\x006\x00D\x009\x003\x00\x00\x00')
'PRIV:AverageLevel:7\n\x00\x00'                     PRIV(owner='AverageLevel', data=b'7\n\x00\x00')
'PRIV:PeakValue:\x8aL\x00\x00'                      PRIV(owner='PeakValue', data=b'\x8aL\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:M\x00u\x00z\x00e\x00\x00\x00'     PRIV(owner='WM/Provider', data=b'M\x00u\x00z\x00e\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\r-¾\x10\x10-~B\x81£>Á¤ÞlÅ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\r-\xbe\x10\x10-~B\x81\xa3>\xc1\xa4\xdel\xc5')
'PRIV:WM/WMCollectionID:\r-¾\x10\x10-~B\x81£>Á¤ÞlÅ'  PRIV(owner='WM/WMCollectionID', data=b'\r-\xbe\x10\x10-~B\x81\xa3>\xc1\xa4\xdel\xc5')
'PRIV:WM/WMContentID:¾\x1fL\x19\x1c¯^C³Ð\x16Ç\x88µÃ\x1f'  PRIV(owner='WM/WMContentID', data=b'\xbe\x1fL\x19\x1c\xaf^C\xb3\xd0\x16\xc7\x88\xb5\xc3\x1f')
'TALB' (Album/Movie/Show title)                     'Once Upon A Time In The West [Digipak] [UK]'
'TBPM' (BPM (beats per minute))                     '141.512'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Man With A Harmonica'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '209973'
'TPE1' (Lead performer(s)/Soloist(s))               'Ennio Morricone'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'composer', 'classical', 'italian']
'TXXX:q-bass'                                       '1'
'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-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.77 dB'
'TXXX:replaygain_track_peak'                        '0.423188'

========================== row from database ==========================
                                              'id'  786524
                                            'path'  /data/Music/Bulk/0soundtrack/Ennio Morricone - Once upon a time/10_Man With A Harmonica.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  209
                                           'genre'  soundtrack-video
                                        'filesize'  5035514
                                           'mtime'  1636923658
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack upon time 10_Man soundtrack video
                                      'tag_artist'  Ennio Morricone
                                     'tag_release'  Once Upon A Time In The West [Digipak] [UK]
                                       'tag_title'  Man With A Harmonica
                                             'bpm'  141.512
                                    'search_title'  'a':3 'harmonica':4 'man':1 'with':2
                                   'search_artist'  'ennio':1 'morricone':2
                                  'search_release'  'a':3 'digipak':8,9 'in':5 'once':1 'the':6 'time':4 'uk':10,11 'upon':2 'west':7
                                     'search_rest'  '0soundtrack':1 '10':4 'man':5 'soundtrack':6 'time':3 'upon':2 'video':7
                                    'search_combo'  '0soundtrack':18 '10':21 'a':3A,9C 'digipak':14C,15C 'ennio':5B 'harmonica':4A 'in':11C 'man':1A,22 'morricone':6B 'once':7C 'soundtrack':23 'the':12C 'time':10C,20 'uk':16C,17C 'upon':8C,19 'video':24 'west':13C 'with':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', '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-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'composer', 'classical', 'italian']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636923658.3060348  (2021-11-14 22:00:58)
                             'size'  5035514