======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '305'
                                          'artist'  'Astrobotnia'
                                     'text_people'  ''
                                         'release'  'Astrobotnia Pt. 3'
                                           'title'  'Esther Calling Jennifer'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rephlex', 'idm', 'electronic', 'braindance', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '100.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '7'
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'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 \x005\x009\x001\x008\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x003\x002\x001\x009\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x006\x009\x009\x005\x009\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x009\x001\x008\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x003\x002\x001\x009\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x006\x009\x009\x005\x009\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¨MZ\x14Ô\x9f\x15D\x84¨Ó1\x84I\n\x86'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xa8MZ\x14\xd4\x9f\x15D\x84\xa8\xd31\x84I\n\x86')
'PRIV:WM/WMCollectionID:¨MZ\x14Ô\x9f\x15D\x84¨Ó1\x84I\n\x86'  PRIV(owner='WM/WMCollectionID', data=b'\xa8MZ\x14\xd4\x9f\x15D\x84\xa8\xd31\x84I\n\x86')
'PRIV:WM/WMContentID:SQ\x10\x9có\x9dNH\x9e\x14¨\x8b¼U»ð'  PRIV(owner='WM/WMContentID', data=b'SQ\x10\x9c\xf3\x9dNH\x9e\x14\xa8\x8b\xbcU\xbb\xf0')
'TALB' (Album/Movie/Show title)                     'Astrobotnia Pt. 3'
'TBPM' (BPM (beats per minute))                     '100.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'SoundJam v2.5.3'
'TIT2' (Title/songname/content description)         'Esther Calling Jennifer'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Astrobotnia'
'TPE2' (Band/orchestra/accompaniment)               'Astrobotnia'
'TPUB' (Publisher)                                  'EFA'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['rephlex', 'idm', 'electronic', 'braindance', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.795733'

========================== row from database ==========================
                                              'id'  1364171
                                            'path'  /data/Music/Bulk/00poprockelectronic/Astrobotnia (Finland)/[2002] Astrobotnia Pt. 3 (256)/07 - Esther Calling Jennifer.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  305
                                           'genre'  electronic-experimental
                                        'filesize'  9789714
                                           'mtime'  1621696096
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (Finland) [2002] (256) 07 electronic experimental
                                      'tag_artist'  Astrobotnia
                                     'tag_release'  Astrobotnia Pt. 3
                                       'tag_title'  Esther Calling Jennifer
                                             'bpm'  100.5
                                    'search_title'  'calling':2 'esther':1 'jennifer':3
                                   'search_artist'  'astrobotnia':1
                                  'search_release'  '3':4 'astrobotnia':1 'pt':2,3
                                     'search_rest'  '00poprockelectronic':1 '2002':4,5 '256':6,7 'electronic':8 'experimental':9 'finland':2,3
                                    'search_combo'  '00poprockelectronic':9 '2002':12,13 '256':14,15 '3':8C 'astrobotnia':4B,5C 'calling':2A 'electronic':16 'esther':1A 'experimental':17 'finland':10,11 'jennifer':3A 'pt':6C,7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rephlex', 'idm', 'electronic', 'braindance', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696095.597835  (2021-05-22 17:08:15)
                             'size'  9789714