======================== unified (from filesystem) ========================
                                         'bitrate'  '320.009'
                                        'duration'  '270'
                                          'artist'  'Ray Brown'
                                     'text_people'  'Frank Signorelli/Matty Malneck/Mitchell Parish'
                                         'release'  'radio jazz 13'
                                           'title'  'Roy Hargrove / Stairway To The'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['jazz bass', 'jazz', 'double bass', 'bass', 'bebop']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '137.9'
                                             'key'  '9B'
                                        '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 \x005\x000\x000\x001\x004\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x005\x009\x008\x003\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x000\x001\x004\x000\x009\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x000\x000\x001\x004\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x005\x009\x008\x003\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x000\x001\x004\x000\x009\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:³ëèYKîEB\x9d\x06\x0b´â¹\x81¸'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb3\xeb\xe8YK\xeeEB\x9d\x06\x0b\xb4\xe2\xb9\x81\xb8')
'PRIV:WM/WMCollectionID:³ëèYKîEB\x9d\x06\x0b´â¹\x81¸'  PRIV(owner='WM/WMCollectionID', data=b'\xb3\xeb\xe8YK\xeeEB\x9d\x06\x0b\xb4\xe2\xb9\x81\xb8')
'PRIV:WM/WMContentID:\x9eÞ\x11\x11²}ÒN¤7\x96\x8a¾&â4'  PRIV(owner='WM/WMContentID', data=b'\x9e\xde\x11\x11\xb2}\xd2N\xa47\x96\x8a\xbe&\xe24')
'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '137.9'
'TCOM' (Composer)                                   'Frank Signorelli/Matty Malneck/Mitchell Parish'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Roy Hargrove / Stairway To The'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ray Brown'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Telarc Distribution'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz bass', 'jazz', 'double bass', 'bass', 'bebop']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+8.74 dB'
'TXXX:replaygain_track_peak'                        '0.489600'

========================== row from database ==========================
                                              'id'  1482507
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Roy Hargrove - stairway to the stars.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  270
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  10846830
                                           'mtime'  1620541533
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic stairway to the stars prerock jb unsorted
                                      'tag_artist'  Ray Brown
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Roy Hargrove / Stairway To The
                                             'bpm'  137.9
                                    'search_title'  'hargrove':2 'roy':1 'stairway':3 'the':5 'to':4
                                   'search_artist'  'brown':2 'ray':1
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'jb':7 'prerock':6 'stairway':2 'stars':5 'the':4 'to':3 'unsorted':8
                                    'search_combo'  '00poprockelectronic':10 'brown':7B 'hargrove':2A 'jazz':9C 'jb':16 'prerock':15 'radio':8C 'ray':6B 'roy':1A 'stairway':3A,11 'stars':14 'the':5A,13 'to':4A,12 'unsorted':17
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['jazz bass', 'jazz', 'double bass', 'bass', 'bebop']
                                        'tag_date'  2000
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620541532.973301  (2021-05-09 08:25:32)
                             'size'  10846830