======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '276'
                                          'artist'  'Marina & The Diamonds'
                                     'text_people'  ''
                                         'release'  'The Autumn Midway: The Dark'
                                           'title'  'I Am Not A Robot (Clock Opera Remix)'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'female vocalists', 'british', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-the autumn midway'
                                             'bpm'  '116.186'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00 \x00&\x00 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x007\x009\x001\x006\x007\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x001\x001\x008\x001\x005\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x002\x003\x003\x007\x002\x002\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x007\x009\x001\x006\x007\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x001\x001\x008\x001\x005\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x002\x003\x003\x007\x002\x002\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:8É*\x1bu*?A\x8cÔáË\x0f¬qÒ'  PRIV(owner='WM/WMCollectionGroupID', data=b'8\xc9*\x1bu*?A\x8c\xd4\xe1\xcb\x0f\xacq\xd2')
'PRIV:WM/WMCollectionID:8É*\x1bu*?A\x8cÔáË\x0f¬qÒ'  PRIV(owner='WM/WMCollectionID', data=b'8\xc9*\x1bu*?A\x8c\xd4\xe1\xcb\x0f\xacq\xd2')
'PRIV:WM/WMContentID:¼þÑK¹Ü¾G\x9b\x7f¶\x02\x9eN\x8e\x07'  PRIV(owner='WM/WMContentID', data=b'\xbc\xfe\xd1K\xb9\xdc\xbeG\x9b\x7f\xb6\x02\x9eN\x8e\x07')
'TALB' (Album/Movie/Show title)                     'The Autumn Midway: The Dark'
'TBPM' (BPM (beats per minute))                     '116.186'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-the autumn midway'
'TENC' (Encoded by)                                 'iTunes 9.0.3'
'TIT2' (Title/songname/content description)         'I Am Not A Robot (Clock Opera Remix)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marina & The Diamonds'
'TPUB' (Publisher)                                  'Atlantic'
'TRCK' (Track number/Position in set)               '8/10'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'female vocalists', 'british', 'electronic']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.434199'

========================== row from database ==========================
                                              'id'  260677
                                            'path'  /data/Music/Bulk/0playlists/scuppernong - The Autumn Midway/08 I Am Not A Robot (Clock Opera Rem.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  276
                                           'genre'  set-pl-the autumn midway
                                        'filesize'  4644484
                                           'mtime'  1620356493
                                   'redo_metaread'  0
                                        'rest_str'   0playlists scuppernong 08 set pl the autumn midway
                                      'tag_artist'  Marina & The Diamonds
                                     'tag_release'  The Autumn Midway: The Dark
                                       'tag_title'  I Am Not A Robot (Clock Opera Remix)
                                             'bpm'  116.186
                                    'search_title'  'a':4 'am':2 'clock':6,7 'i':1 'not':3 'opera':8 'remix':9,10 'robot':5
                                   'search_artist'  'diamonds':3 'marina':1 'the':2
                                  'search_release'  'autumn':2 'dark':5 'midway':3,4 'the':1
                                     'search_rest'  '0playlists':1 'autumn':6 'midway':7 'pl':4 'scuppernong':2 'set':3 'the':5
                                    'search_combo'  '0playlists':19 'a':4A 'am':2A 'autumn':15C,24 'clock':6A,7A 'dark':18C 'diamonds':13B 'i':1A 'marina':11B 'midway':16C,17C,25 'not':3A 'opera':8A 'pl':22 'remix':9A,10A 'robot':5A 'scuppernong':20 'set':21 'the':12B,14C,23
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', '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'  ['indie', 'indie pop', 'female vocalists', 'british', 'electronic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356493.0975952  (2021-05-07 05:01:33)
                             'size'  4644484