======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '241'
                                          'artist'  'Skaos'
                                     'text_people'  ''
                                         'release'  "Porno '75"
                                           'title'  'A global warning'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'ska punk', 'german ska', 'ska', 'reggae']"
                                     'discogstags'  "['ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska-punk'
                                             'bpm'  '105.422'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:\\\x16\x00\x00'                  PRIV(owner='AverageLevel', data=b'\\\x16\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\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 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00 \x00&\x00 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x000\x007\x008\x001\x004\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x000\x007\x008\x001\x004\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ý\x1dzíaÊ\x01E\x82M@ì`QÚ¸'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xfd\x1dz\xeda\xca\x01E\x82M@\xec`Q\xda\xb8')
'PRIV:WM/WMCollectionID:ý\x1dzíaÊ\x01E\x82M@ì`QÚ¸'  PRIV(owner='WM/WMCollectionID', data=b'\xfd\x1dz\xeda\xca\x01E\x82M@\xec`Q\xda\xb8')
'PRIV:WM/WMContentID:\x8d4ÊFÒçûI\x92J\'h"Û¿\x9a'    PRIV(owner='WM/WMContentID', data=b'\x8d4\xcaF\xd2\xe7\xfbI\x92J\'h"\xdb\xbf\x9a')
'TALB' (Album/Movie/Show title)                     "Porno '75"
'TBPM' (BPM (beats per minute))                     '105.422'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska-punk'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'A global warning'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Skaos'
'TPE2' (Band/orchestra/accompaniment)               'Skaos'
'TPUB' (Publisher)                                  'Pork Pie'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'ska'
'TXXX:lastfmtags'                                   ['german', 'ska punk', 'german ska', 'ska', 'reggae']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.642260'

========================== row from database ==========================
                                              'id'  1527799
                                            'path'  /data/Music/Bulk/00localcharacter/Skaos/Porno_75/Skaos - Porno_75 (16) - A global warning.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  241
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska-punk
                                        'filesize'  3870993
                                           'mtime'  1620523714
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Porno_75 Porno_75 (16) loc style reggae dub ska dancehall ska punk
                                      'tag_artist'  Skaos
                                     'tag_release'  Porno '75
                                       'tag_title'  A global warning
                                             'bpm'  105.422
                                    'search_title'  'a':1 'global':2 'warning':3
                                   'search_artist'  'skaos':1
                                  'search_release'  '75':2,3 'porno':1
                                     'search_rest'  '16':3,4 '75':2 'dancehall':10 'dub':8 'loc':5 'porno':1 'punk':11 'reggae':7 'ska':9 'style':6
                                    'search_combo'  '16':10,11 '75':6C,7C,9 'a':1A 'dancehall':17 'dub':15 'global':2A 'loc':12 'porno':5C,8 'punk':18 'reggae':14 'ska':16 'skaos':4B 'style':13 'warning':3A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'ska punk', 'german ska', 'ska', 'reggae']
                                        'tag_date'  2000
                                     'discogstags'  ['ska']

============================== file details ==============================
                                           'mtime'  1620523713.916158  (2021-05-09 03:28:33)
                             'size'  3870993