======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '223'
                                          'artist'  'Fiona Apple'
                                     'text_people'  'Fiona Apple'
                                         'release'  'Extraordinary Machine'
                                           'title'  'Extraordinary Machine'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'piano', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '85.381'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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 \x007\x009\x004\x006\x009\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x009\x004\x007\x008\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x003\x003\x000\x005\x000\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x009\x004\x006\x009\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x009\x004\x007\x008\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x003\x003\x000\x005\x000\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ê\x186O\x19(ÃJ\x90û\xa0ËÃP{©'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xea\x186O\x19(\xc3J\x90\xfb\xa0\xcb\xc3P{\xa9')
'PRIV:WM/WMCollectionID:ê\x186O\x19(ÃJ\x90û\xa0ËÃP{©'  PRIV(owner='WM/WMCollectionID', data=b'\xea\x186O\x19(\xc3J\x90\xfb\xa0\xcb\xc3P{\xa9')
'PRIV:WM/WMContentID:\x13\x0eÏ\x90\x9b\x08?J\x86Z¥=ï\x03Ù\x15'  PRIV(owner='WM/WMContentID', data=b'\x13\x0e\xcf\x90\x9b\x08?J\x86Z\xa5=\xef\x03\xd9\x15')
'TALB' (Album/Movie/Show title)                     'Extraordinary Machine'
'TBPM' (BPM (beats per minute))                     '85.381'
'TCOM' (Composer)                                   'Fiona Apple'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TCOP' (Copyright message)                          'StefWan-Team'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'StefWan-Team'
'TIT2' (Title/songname/content description)         'Extraordinary Machine'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fiona Apple'
'TPE2' (Band/orchestra/accompaniment)               'Fiona Apple'
'TPUB' (Publisher)                                  'Sony'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  ['rock', 'pop rock', 'indie rock']
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'piano', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.425858'

========================== row from database ==========================
                                              'id'  1366096
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Fiona Apple/[2005] Extraordinary Machine/01 Extraordinary Machine.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  223
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5388474
                                           'mtime'  1636401152
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos [2005] 01 ifs songwriter eos
                                      'tag_artist'  Fiona Apple
                                     'tag_release'  Extraordinary Machine
                                       'tag_title'  Extraordinary Machine
                                             'bpm'  85.381
                                    'search_title'  'extraordinary':1 'machine':2
                                   'search_artist'  'apple':2 'fiona':1
                                  'search_release'  'extraordinary':1 'machine':2
                                     'search_rest'  '00singer':1 '00songwriter':4 '2005':5,6 'eos':3 'ifs':7 'songwriter':2
                                    'search_combo'  '00singer':7 '00songwriter':10 '2005':11,12 'apple':4B 'eos':9 'extraordinary':1A,5C 'fiona':3B 'ifs':13 'machine':2A,6C 'songwriter':8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'piano', 'singer songwriter']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'pop rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636401152.003064  (2021-11-08 20:52:32)
                             'size'  5388474