======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '267'
                                          'artist'  'Justin Timberlake'
                                     'text_people'  'Chad Hugo/Justin Timberlake/Pharrell Williams'
                                         'release'  'Justified'
                                           'title'  'Rock Your Body'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'rnb', 'hip hop', 'pop', 'male vocalists']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance;set-pl-billboard'
                                             'bpm'  '100.956'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:w\x1e\x00\x00'                   PRIV(owner='AverageLevel', data=b'w\x1e\x00\x00')
'PRIV:PeakValue:õ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xf5\x7f\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 \x006\x001\x000\x004\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x007\x003\x000\x005\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x008\x004\x005\x001\x001\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x001\x000\x004\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x007\x003\x000\x005\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x008\x004\x005\x001\x001\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:E\x1a¯ª\x10sIG¨\x18ÁÓ[,îó'  PRIV(owner='WM/WMCollectionGroupID', data=b'E\x1a\xaf\xaa\x10sIG\xa8\x18\xc1\xd3[,\xee\xf3')
'PRIV:WM/WMCollectionID:E\x1a¯ª\x10sIG¨\x18ÁÓ[,îó'  PRIV(owner='WM/WMCollectionID', data=b'E\x1a\xaf\xaa\x10sIG\xa8\x18\xc1\xd3[,\xee\xf3')
'PRIV:WM/WMContentID:%Ò\x1a»ú¨}K«^r9tïåQ'           PRIV(owner='WM/WMContentID', data=b'%\xd2\x1a\xbb\xfa\xa8}K\xab^r9t\xef\xe5Q')
'TALB' (Album/Movie/Show title)                     'Justified'
'TBPM' (BPM (beats per minute))                     '100.956'
'TCOM' (Composer)                                   'Chad Hugo/Justin Timberlake/Pharrell Williams'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-dance', 'set-pl-billboard']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Rock Your Body'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '267266'
'TPE1' (Lead performer(s)/Soloist(s))               'Justin Timberlake'
'TPE2' (Band/orchestra/accompaniment)               'Justin Timberlake'
'TPUB' (Publisher)                                  'BMG Japan'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['dance', 'rnb', 'hip hop', 'pop', 'male vocalists']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.496189'

========================== row from database ==========================
                                              'id'  1285530
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/06 Rock Your Body.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  267
                                           'genre'  electronic-generic or radio-dance;set-pl-billboard
                                        'filesize'  10685516
                                           'mtime'  1621696878
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 06 electronic generic or radio dance;set pl billboard
                                      'tag_artist'  Justin Timberlake
                                     'tag_release'  Justified
                                       'tag_title'  Rock Your Body
                                             'bpm'  100.956
                                    'search_title'  'body':3 'rock':1 'your':2
                                   'search_artist'  'justin':1 'timberlake':2
                                  'search_release'  'justified':1
                                     'search_rest'  '00poprockelectronic':1 'billboard':12 'dance':7,9 'electronic':3 'generic':4 'or':5 'pl':11 'radio':6 'set':2,8,10
                                    'search_combo'  '00poprockelectronic':7 'billboard':18 'body':3A 'dance':13,15 'electronic':9 'generic':10 'justified':6C 'justin':4B 'or':11 'pl':17 'radio':12 'rock':1A 'set':8,14,16 'timberlake':5B 'your':2A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rnb', 'hip hop', 'pop', 'male vocalists']
                                        'tag_date'  2002
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621696877.8561995  (2021-05-22 17:21:17)
                             'size'  10685516