======================== unified (from filesystem) ========================
                                         'bitrate'  '320.057'
                                        'duration'  '286'
                                          'artist'  'The Prodigy'
                                     'text_people'  'Liam Howlett/Tom Morello'
                                         'release'  'Smack My Bitch Up'
                                           'title'  'No Man Army feat. Tom Morello'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'drum n bass', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '86.585'
                                             'key'  '9A'
                                        '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/WMCollectionGroupID:Ào\x83\x12\x93E×I²"À\x89Hë!`'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xc0o\x83\x12\x93E\xd7I\xb2"\xc0\x89H\xeb!`')
'PRIV:WM/WMCollectionID:Ào\x83\x12\x93E×I²"À\x89Hë!`'  PRIV(owner='WM/WMCollectionID', data=b'\xc0o\x83\x12\x93E\xd7I\xb2"\xc0\x89H\xeb!`')
'PRIV:WM/WMContentID:f(^¤F¥NE\x8cKª¯Þ{ø\x7f'        PRIV(owner='WM/WMContentID', data=b'f(^\xa4F\xa5NE\x8cK\xaa\xaf\xde{\xf8\x7f')
'TALB' (Album/Movie/Show title)                     'Smack My Bitch Up'
'TBPM' (BPM (beats per minute))                     '86.585'
'TCOM' (Composer)                                   'Liam Howlett/Tom Morello'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'No Man Army feat. Tom Morello'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '286000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TPUB' (Publisher)                                  'XL/Beggars Group'
'TRCK' (Track number/Position in set)               '2'
'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', 'breakbeat', 'drum n bass', 'big beat']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.388553'

========================== row from database ==========================
                                              'id'  1298588
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/#singles/13. Smack My Bitch Up (1997)/02 - No Man Army feat. Tom Morello.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  286
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  11475026
                                           'mtime'  1621696514
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic #singles 13. (1997) 02 electronic generic radio bigbeat
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Smack My Bitch Up
                                       'tag_title'  No Man Army feat. Tom Morello
                                             'bpm'  86.585
                                    'search_title'  'army':3 'feat':4,5 'man':2 'morello':7 'no':1 'tom':6
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'bitch':3 'my':2 'smack':1 'up':4
                                     'search_rest'  '00poprockelectronic':1 '13':4,5 '1997':6,7 'bigbeat':11 'electronic':8 'generic':9 'radio':10 'singles':2,3
                                    'search_combo'  '00poprockelectronic':14 '13':17,18 '1997':19,20 'army':3A 'bigbeat':24 'bitch':12C 'electronic':21 'feat':4A,5A 'generic':22 'man':2A 'morello':7A 'my':11C 'no':1A 'prodigy':9B 'radio':23 'singles':15,16 'smack':10C 'the':8B 'tom':6A 'up':13C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'breakbeat', 'drum n bass', 'big beat']

============================== file details ==============================
                                           'mtime'  1621696513.8376126  (2021-05-22 17:15:13)
                             'size'  11475026