======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '229'
                                          'artist'  'Astrobotnia'
                                     'text_people'  ''
                                         'release'  'Astrobotnia Pt.1'
                                           'title'  'Everyone'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rephlex', 'idm', 'electronic', 'braindance', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '136.5'
                                             'key'  '12A'
                                        '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')
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'PRIV:WM/WMCollectionID:ÍD\x96ê\\÷¹@\x99Q`ÆféFU'    PRIV(owner='WM/WMCollectionID', data=b'\xcdD\x96\xea\\\xf7\xb9@\x99Q`\xc6f\xe9FU')
"PRIV:WM/WMContentID:e,\tÑ4a,H\x9a\x90'ÚÊÕû_"       PRIV(owner='WM/WMContentID', data=b"e,\t\xd14a,H\x9a\x90'\xda\xca\xd5\xfb_")
'TALB' (Album/Movie/Show title)                     'Astrobotnia Pt.1'
'TBPM' (BPM (beats per minute))                     '136.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Everyone'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Astrobotnia'
'TPE2' (Band/orchestra/accompaniment)               'Astrobotnia'
'TPUB' (Publisher)                                  'Rephlex'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['rephlex', 'idm', 'electronic', 'braindance', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.602902'

========================== row from database ==========================
                                              'id'  1367286
                                            'path'  /data/Music/Bulk/00poprockelectronic/Astrobotnia (Finland)/[2002] Astrobotnia Pt. 1 (256)/03 - Everyone.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  229
                                           'genre'  electronic-experimental
                                        'filesize'  7354723
                                           'mtime'  1621696090
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (Finland) [2002] (256) 03 electronic experimental
                                      'tag_artist'  Astrobotnia
                                     'tag_release'  Astrobotnia Pt.1
                                       'tag_title'  Everyone
                                             'bpm'  136.5
                                    'search_title'  'everyone':1
                                   'search_artist'  'astrobotnia':1
                                  'search_release'  '1':3 'astrobotnia':1 'pt':2 'pt1':4
                                     'search_rest'  '00poprockelectronic':1 '2002':4,5 '256':6,7 'electronic':8 'experimental':9 'finland':2,3
                                    'search_combo'  '00poprockelectronic':7 '1':5C '2002':10,11 '256':12,13 'astrobotnia':2B,3C 'electronic':14 'everyone':1A 'experimental':15 'finland':8,9 'pt':4C 'pt1':6C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12A
                                           '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rephlex', 'idm', 'electronic', 'braindance', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696090.1170056  (2021-05-22 17:08:10)
                             'size'  7354723