======================== unified (from filesystem) ========================
                                         'bitrate'  '192.598'
                                        'duration'  '549'
                                          'artist'  'Scorn'
                                     'text_people'  ''
                                         'release'  'Gyral'
                                           'title'  'Trondheim-Gavle'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['industrial', 'dub', 'dubstep', 'ambient', 'dark ambient', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '122.437'
                                             'key'  '4A'
                                        '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')
'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\x008\x007\x006\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x003\x007\x000\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x006\x005\x009\x004\x009\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x002\x008\x007\x006\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x003\x007\x000\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x006\x005\x009\x004\x009\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:cäX"0ö\x9dM\x95\x9c\x86C\x87½\x8cA'  PRIV(owner='WM/WMCollectionGroupID', data=b'c\xe4X"0\xf6\x9dM\x95\x9c\x86C\x87\xbd\x8cA')
'PRIV:WM/WMCollectionID:cäX"0ö\x9dM\x95\x9c\x86C\x87½\x8cA'  PRIV(owner='WM/WMCollectionID', data=b'c\xe4X"0\xf6\x9dM\x95\x9c\x86C\x87\xbd\x8cA')
'PRIV:WM/WMContentID:\x9bý\x864·\x8eAO¢àZ({X\t²'    PRIV(owner='WM/WMContentID', data=b'\x9b\xfd\x864\xb7\x8eAO\xa2\xe0Z({X\t\xb2')
'PRIV:ZuneAlbumArtistMediaID:\x00\x00\\\x9d\x00\x06Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x00\\\x9d\x00\x06\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneAlbumMediaID:\x00\x03}\x98\x00\x04Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumMediaID', data=b'\x00\x03}\x98\x00\x04\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:FÉl!rZùJ\x98S\x82EMÃ\x17-'   PRIV(owner='ZuneCollectionID', data=b'F\xc9l!rZ\xf9J\x98S\x82EM\xc3\x17-')
'PRIV:ZuneMediaID:\x00(\x94¨\x00\x05Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x00(\x94\xa8\x00\x05\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'Gyral'
'TBPM' (BPM (beats per minute))                     '122.437'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TIT2' (Title/songname/content description)         'Trondheim-Gavle'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Scorn'
'TPE2' (Band/orchestra/accompaniment)               'Scorn'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Earache'
'TRCK' (Track number/Position in set)               '8'
'TXXX:DATE'                                         '1995'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial', 'dub', 'dubstep', 'ambient', 'dark ambient', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.45 dB'
'TXXX:replaygain_track_peak'                        '0.885301'

========================== row from database ==========================
                                              'id'  1365608
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Scorn/gyral-1995-mp3/8 - Trondheim-Gavle.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  549
                                           'genre'  electronic-ambient-dark
                                        'filesize'  13242368
                                           'mtime'  1636910062
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient gyral 1995 mp3 8 electronic ambient dark
                                      'tag_artist'  Scorn
                                     'tag_release'  Gyral
                                       'tag_title'  Trondheim-Gavle
                                             'bpm'  122.437
                                    'search_title'  'gavle':2 'trondheim':1 'trondheimgavle':3
                                   'search_artist'  'scorn':1
                                  'search_release'  'gyral':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '1995':4 '8':6 'ambient':8 'dark':9 'electronic':7 'gyral':3 'mp3':5
                                    'search_combo'  '00ambient':7 '00poprockelectronic':6 '1995':9 '8':11 'ambient':13 'dark':14 'electronic':12 'gavle':2A 'gyral':5C,8 'mp3':10 'scorn':4B 'trondheim':1A 'trondheimgavle':3A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dub', 'dubstep', 'ambient', 'dark ambient', 'experimental']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910062.2589307  (2021-11-14 18:14:22)
                             'size'  13242368