======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '231'
                                          'artist'  'Jeanette MacDonald/Nelson Eddy'
                                     'text_people'  'Oscar Hammerstein II/Sigmund Romberg'
                                         'release'  ''
                                           'title'  'One Kiss'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '141.216'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'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')
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'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x007\x000\x003\x000\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x000\x000\x004\x000\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x006\x001\x008\x004\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x007\x000\x003\x000\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x000\x000\x004\x000\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x006\x001\x008\x004\x002\x00\x00\x00')
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'PRIV:WM/WMCollectionID:÷Gø$Z\x92ñA±Â\x97CÂòn¶'     PRIV(owner='WM/WMCollectionID', data=b'\xf7G\xf8$Z\x92\xf1A\xb1\xc2\x97C\xc2\xf2n\xb6')
'PRIV:WM/WMContentID:\x05\x7fm\x8e¿é_N¦ë{\x1d0\x8f4h'  PRIV(owner='WM/WMContentID', data=b'\x05\x7fm\x8e\xbf\xe9_N\xa6\xeb{\x1d0\x8f4h')
'TBPM' (BPM (beats per minute))                     '141.216'
'TCOM' (Composer)                                   'Oscar Hammerstein II/Sigmund Romberg'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'One Kiss'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '231157'
'TPE1' (Lead performer(s)/Soloist(s))               'Nelson Eddy & Jeanette MacDonald'
'TPE2' (Band/orchestra/accompaniment)               'Jeanette MacDonald/Nelson Eddy'
'TPUB' (Publisher)                                  'ASV/Living Era'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.353571'

========================== row from database ==========================
                                              'id'  1531252
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/nelson eddy, jeanette macdonald - one kiss.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  231
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3723264
                                           'mtime'  1620527915
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection nelson eddy, jeanette macdonald one kiss prerock jb jazz unsorted
                                      'tag_artist'  Jeanette MacDonald/Nelson Eddy
                                     'tag_release'  None
                                       'tag_title'  One Kiss
                                             'bpm'  141.216
                                    'search_title'  'kiss':2 'one':1
                                   'search_artist'  'donald':7 'donaldnelson':9 'eddy':5 'jeanette':1 'mac':6 'macdonald':2 'macdonaldnelson':4 'nelson':3,8
                                  'search_release'  
                                     'search_rest'  '30':5 'collection':7 'country':4 'eddy':9,10 'exotica':2 'jazz':1 'jb':16 'jeanette':11 'kiss':14 'macdonald':12 'nelson':8 'oldies':3 'one':13 'prerock':15 's':6 'unsorted':17
                                    'search_combo'  '30':16 'collection':18 'country':15 'donald':9B 'donaldnelson':11B 'eddy':7B,20,21 'exotica':13 'jazz':12 'jb':27 'jeanette':3B,22 'kiss':2A,25 'mac':8B 'macdonald':4B,23 'macdonaldnelson':6B 'nelson':5B,10B,19 'oldies':14 'one':1A,24 'prerock':26 's':17 'unsorted':28
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527914.519992  (2021-05-09 04:38:34)
                             'size'  3723264