======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '218'
                                          'artist'  "Leaves' Eyes"
                                     'text_people'  ("Alexander Krull/Christian Lukhaup/Leaves' Eyes/Liv Kristine Espenæs "
 'Krull/Martin Schmidt/Mathias Röderer/Thorsten Bauer')
                                         'release'  'Lovelorn'
                                           'title'  'For Amelie'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', "
 "'gothic metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '142.6'
                                             'key'  '10B'
                                        '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:W^u\x83ã\\ND\x90\x95¢®\x1b_©\x01'  PRIV(owner='WM/WMCollectionID', data=b'W^u\x83\xe3\\ND\x90\x95\xa2\xae\x1b_\xa9\x01')
'PRIV:WM/WMContentID:[Í"my\x04ÄF\x93®\x1cK\x03+ÓÀ'  PRIV(owner='WM/WMContentID', data=b'[\xcd"my\x04\xc4F\x93\xae\x1cK\x03+\xd3\xc0')
'TALB' (Album/Movie/Show title)                     'Lovelorn'
'TBPM' (BPM (beats per minute))                     '142.6'
'TCOM' (Composer)                                   ("Alexander Krull/Christian Lukhaup/Leaves' Eyes/Liv Kristine Espenæs "
 'Krull/Martin Schmidt/Mathias Röderer/Thorsten Bauer')
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'For Amelie'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '218973'
'TPE1' (Lead performer(s)/Soloist(s))               "Leaves' Eyes"
'TPE2' (Band/orchestra/accompaniment)               "Leaves' Eyes"
'TPUB' (Publisher)                                  'Napalm'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal',
 'female fronted metal',
 'symphonic metal',
 'female vocalists',
 'gothic metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.316700'

========================== row from database ==========================
                                              'id'  1522889
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Leaves_ Eyes/Lovelorn/07 - For Amelie.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  218
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  8755160
                                           'mtime'  1620310303
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Leaves_ 07 eid metal doom gothic
                                      'tag_artist'  Leaves' Eyes
                                     'tag_release'  Lovelorn
                                       'tag_title'  For Amelie
                                             'bpm'  142.6
                                    'search_title'  'amelie':2 'for':1
                                   'search_artist'  'eyes':3 'leaves':1,2
                                  'search_release'  'lovelorn':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'doom':6 'eid':4 'gothic':7 'leaves':3 'metal':5
                                    'search_combo'  '00dwimp':7 '00metal':8 'amelie':2A 'doom':12 'eid':10 'eyes':5B 'for':1A 'gothic':13 'leaves':3B,4B,9 'lovelorn':6C 'metal':11
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', 'gothic metal']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310302.598654  (2021-05-06 16:11:42)
                             'size'  8755160