======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '275'
                                          'artist'  'My Robot Friend'
                                     'text_people'  ''
                                         'release'  'Hot Action!'
                                           'title'  'Walking Jewish'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electro', 'electropop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '13'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash'
                                             'bpm'  '131.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'D\x00+\x009\x006\x00+\x002\x006\x00F\x001\x00+\x005\x003\x005\x000\x00+\x008\x00B\x00F\x00D\x00+\x00C\x003\x005\x002\x00+\x00F\x007\x00A\x007\x00+\x001\x005\x001\x004\x00A\x00+\x001\x007\x00F\x004\x003\x00+\x001\x00A\x005\x002\x00E\x00+\x001\x00E\x002\x001\x007\x00+\x002\x000\x008\x00B\x005\x00+\x002\x003\x008\x009\x000\x00+\x002\x008\x009\x006\x006\x00+\x002\x00C\x009\x007\x009\x00\x00\x00')
'PRIV:\x01ÿþ:'                                      PRIV(owner='\x01ÿþ', data=b'')
'PRIV:AverageLevel:\x8d"\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x8d"\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 \x007\x001\x005\x000\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x008\x000\x009\x000\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x003\x005\x005\x007\x009\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x001\x005\x000\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x008\x000\x009\x000\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x003\x005\x005\x007\x009\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x1c\x02\x918o9*@\x83\x99\x81\x06\x87}O"'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x1c\x02\x918o9*@\x83\x99\x81\x06\x87}O"')
'PRIV:WM/WMCollectionID:\x1c\x02\x918o9*@\x83\x99\x81\x06\x87}O"'  PRIV(owner='WM/WMCollectionID', data=b'\x1c\x02\x918o9*@\x83\x99\x81\x06\x87}O"')
'PRIV:WM/WMContentID:àÇ-)âU[@\xad\x87·²,\x94\x9eD'  PRIV(owner='WM/WMContentID', data=b'\xe0\xc7-)\xe2U[@\xad\x87\xb7\xb2,\x94\x9eD')
'TALB' (Album/Movie/Show title)                     'Hot Action!'
'TBPM' (BPM (beats per minute))                     '131.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electroclash'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Walking Jewish'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '275920'
'TPE1' (Lead performer(s)/Soloist(s))               'My Robot Friend'
'TPE2' (Band/orchestra/accompaniment)               'My Robot Friend'
'TPUB' (Publisher)                                  'Proptronix'
'TRCK' (Track number/Position in set)               '12/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electronic', 'electro', 'electropop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.453575'

========================== row from database ==========================
                                              'id'  1371891
                                            'path'  /data/Music/Bulk/00poprockelectronic/00clash/my robot friend - hot action (2004)/12 walking jewish.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  275
                                           'genre'  electronic-we-electroclash
                                        'filesize'  8846924
                                           'mtime'  1620561229
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00clash my robot friend hot action (2004) 12 walking jewish electronic we electroclash
                                      'tag_artist'  My Robot Friend
                                     'tag_release'  Hot Action!
                                       'tag_title'  Walking Jewish
                                             'bpm'  131.0
                                    'search_title'  'jewish':2 'walking':1
                                   'search_artist'  'friend':3 'my':1 'robot':2
                                  'search_release'  'action':2 'hot':1
                                     'search_rest'  '00clash':2 '00poprockelectronic':1 '2004':8,9 'action':7 'electroclash':14 'electronic':12 'friend':5 'hot':6 'jewish':11 'my':3 'robot':4 'walking':10 'we':13
                                    'search_combo'  '00clash':9 '00poprockelectronic':8 '2004':15,16 'action':7C,14 'electroclash':21 'electronic':19 'friend':5B,12 'hot':6C,13 'jewish':2A,18 'my':3B,10 'robot':4B,11 'walking':1A,17 'we':20
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electro', 'electropop']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620561229.171098  (2021-05-09 13:53:49)
                             'size'  8846924