======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'Lords of Acid'
                                     'text_people'  'Jade 4 U/Magick/Oliver Adams/Praga Khan'
                                         'release'  'Voodoo-U [Bonus Tracks]'
                                           'title'  'Young Boys'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'acid house', 'industrial', 'electronic', 'techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '110.182'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:{\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1b\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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 \x002\x000\x006\x005\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x003\x005\x003\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x004\x008\x000\x006\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x000\x006\x005\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x003\x005\x003\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x004\x008\x000\x006\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\tèOÒ!b"C»®ïS¦¨=s'     PRIV(owner='WM/WMCollectionGroupID', data=b'\t\xe8O\xd2!b"C\xbb\xae\xefS\xa6\xa8=s')
'PRIV:WM/WMCollectionID:\tèOÒ!b"C»®ïS¦¨=s'          PRIV(owner='WM/WMCollectionID', data=b'\t\xe8O\xd2!b"C\xbb\xae\xefS\xa6\xa8=s')
'PRIV:WM/WMContentID:±u2\x1fô¢TL\x8c¶\xa0Ü1\x02{\t'  PRIV(owner='WM/WMContentID', data=b'\xb1u2\x1f\xf4\xa2TL\x8c\xb6\xa0\xdc1\x02{\t')
'TALB' (Album/Movie/Show title)                     'Voodoo-U [Bonus Tracks]'
'TBPM' (BPM (beats per minute))                     '110.182'
'TCOM' (Composer)                                   'Jade 4 U/Magick/Oliver Adams/Praga Khan'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Young Boys'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '235133'
'TPE1' (Lead performer(s)/Soloist(s))               'Lords of Acid'
'TPE2' (Band/orchestra/accompaniment)               'Lords of Acid'
'TPUB' (Publisher)                                  'Never'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'acid house', 'industrial', 'electronic', 'techno']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.430036'

========================== row from database ==========================
                                              'id'  1324022
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lords of Acid/Voodoo-U [Bonus Tracks]/05 Young Boys.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  9401396
                                           'mtime'  1620570678
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 electronic th techno acid
                                      'tag_artist'  Lords of Acid
                                     'tag_release'  Voodoo-U [Bonus Tracks]
                                       'tag_title'  Young Boys
                                             'bpm'  110.182
                                    'search_title'  'boys':2 'young':1
                                   'search_artist'  'acid':3 'lords':1 'of':2
                                  'search_release'  'bonus':4,5 'tracks':6,7 'u':2 'voodoo':1 'voodoou':3
                                     'search_rest'  '00poprockelectronic':1 'acid':5 'electronic':2 'techno':4 'th':3
                                    'search_combo'  '00poprockelectronic':13 'acid':5B,17 'bonus':9C,10C 'boys':2A 'electronic':14 'lords':3B 'of':4B 'techno':16 'th':15 'tracks':11C,12C 'u':7C 'voodoo':6C 'voodoou':8C 'young':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'acid house', 'industrial', 'electronic', 'techno']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570678.1463  (2021-05-09 16:31:18)
                             'size'  9401396