======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '437'
                                          'artist'  'Goldie'
                                     'text_people'  'FFRR'
                                         'release'  'Timeless'
                                           'title'  'Saint Angel'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['drum and bass', 'dnb', 'electronic', 'jungle', 'drum n bass']"
                                     'discogstags'  "['electronic', 'drum n bass', 'jungle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle;set-pl-sced'
                                             'bpm'  '106.308'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000527 00000532 00001AE2'
'COMM:iTunNORM:eng'                                 (' 00000527 00000532 00001AE2 00001A12 00022325 00022325 00007819 00007A19 '
 '00024A07 00024A07')
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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')
'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 \x002\x002\x005\x009\x003\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x008\x008\x005\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x004\x000\x001\x004\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x002\x005\x009\x003\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x008\x008\x005\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x004\x000\x001\x004\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:q\\Ö\x00\x15óëC\x83\x8b\x15ùÄî|~'  PRIV(owner='WM/WMCollectionGroupID', data=b'q\\\xd6\x00\x15\xf3\xebC\x83\x8b\x15\xf9\xc4\xee|~')
'PRIV:WM/WMCollectionID:q\\Ö\x00\x15óëC\x83\x8b\x15ùÄî|~'  PRIV(owner='WM/WMCollectionID', data=b'q\\\xd6\x00\x15\xf3\xebC\x83\x8b\x15\xf9\xc4\xee|~')
'PRIV:WM/WMContentID:´\x81Ö\x16r\x1dDH£þ^ãÙ\x8f\x92l'  PRIV(owner='WM/WMContentID', data=b'\xb4\x81\xd6\x16r\x1dDH\xa3\xfe^\xe3\xd9\x8f\x92l')
'TALB' (Album/Movie/Show title)                     'Timeless'
'TBPM' (BPM (beats per minute))                     '106.308'
'TCOM' (Composer)                                   'FFRR'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-breakbeat or dnb or jungle', 'set-pl-sced']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Saint Angel'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '437707'
'TPE1' (Lead performer(s)/Soloist(s))               'Goldie'
'TPE2' (Band/orchestra/accompaniment)               'Goldie'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'ffrr'
'TRCK' (Track number/Position in set)               '2/6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'drum n bass', 'jungle']
'TXXX:lastfmtags'                                   ['drum and bass', 'dnb', 'electronic', 'jungle', 'drum n bass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.36 dB'
'TXXX:replaygain_track_peak'                        '0.737113'

========================== row from database ==========================
                                              'id'  1331209
                                            'path'  /data/Music/Bulk/00poprockelectronic/Goldie/Timeless/1-02 Saint Angel.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  437
                                           'genre'  electronic-th-breakbeat or dnb or jungle;set-pl-sced
                                        'filesize'  17567006
                                           'mtime'  1639843000
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1 02 electronic th breakbeat or dnb or jungle;set pl sced
                                      'tag_artist'  Goldie
                                     'tag_release'  Timeless
                                       'tag_title'  Saint Angel
                                             'bpm'  106.308
                                    'search_title'  'angel':2 'saint':1
                                   'search_artist'  'goldie':1
                                  'search_release'  'timeless':1
                                     'search_rest'  '00poprockelectronic':1 '1':2 'breakbeat':5 'dnb':7 'electronic':3 'jungle':8,10 'or':6 'pl':12 'sced':13 'set':9,11 'th':4
                                    'search_combo'  '00poprockelectronic':5 '1':6 'angel':2A 'breakbeat':9 'dnb':11 'electronic':7 'goldie':3B 'jungle':12,14 'or':10 'pl':16 'saint':1A 'sced':17 'set':13,15 'th':8 'timeless':4C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'dnb', 'electronic', 'jungle', 'drum n bass']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'drum n bass', 'jungle']

============================== file details ==============================
                                           'mtime'  1639843000.3148475  (2021-12-18 16:56:40)
                             'size'  17567006