======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '213'
                                          'artist'  'Apollo 440'
                                     'text_people'  'Howard Gray/Ian Hoxley/Noko/Trevor Gray'
                                         'release'  ''
                                           'title'  'Stop The Rock'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '99.763'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'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 \x004\x005\x009\x000\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x005\x002\x001\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x003\x001\x000\x000\x005\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x005\x009\x000\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x005\x002\x001\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x003\x001\x000\x000\x005\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:B¡\x07\x8c®ó\x96E\xa0\x9c\x07E\x040Kñ'  PRIV(owner='WM/WMCollectionGroupID', data=b'B\xa1\x07\x8c\xae\xf3\x96E\xa0\x9c\x07E\x040K\xf1')
'PRIV:WM/WMCollectionID:B¡\x07\x8c®ó\x96E\xa0\x9c\x07E\x040Kñ'  PRIV(owner='WM/WMCollectionID', data=b'B\xa1\x07\x8c\xae\xf3\x96E\xa0\x9c\x07E\x040K\xf1')
'PRIV:WM/WMContentID:¼^&IMçòG\x89Õ²¨\x1f-æÌ'        PRIV(owner='WM/WMContentID', data=b'\xbc^&IM\xe7\xf2G\x89\xd5\xb2\xa8\x1f-\xe6\xcc')
'TBPM' (BPM (beats per minute))                     '99.763'
'TCOM' (Composer)                                   'Howard Gray/Ian Hoxley/Noko/Trevor Gray'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Stop The Rock'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Apollo 440'
'TPE2' (Band/orchestra/accompaniment)               'Apollo 440'
'TPUB' (Publisher)                                  'Sony'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'big beat']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.354069'

========================== row from database ==========================
                                              'id'  1495681
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Apollo 440 - Stop The Rock.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  213
                                           'genre'  electronic-th-techno
                                        'filesize'  3426408
                                           'mtime'  1620592847
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat electronic th techno
                                      'tag_artist'  Apollo 440
                                     'tag_release'  None
                                       'tag_title'  Stop The Rock
                                             'bpm'  99.763
                                    'search_title'  'rock':3 'stop':1 'the':2
                                   'search_artist'  '440':2 'apollo':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'techno':7 'th':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':6 '440':5B 'apollo':4B 'dance':8 'electronic':10 'generic':7 'rock':3A 'stop':1A 'techno':12 'th':11 'the':2A 'trapbeat':9
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'big beat']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592846.7820454  (2021-05-09 22:40:46)
                             'size'  3426408