======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '198'
                                          'artist'  'Stereo Total'
                                     'text_people'  ''
                                         'release'  'My Melody'
                                           'title'  'Discjockey'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'german', 'electronic', 'pop', 'french']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '16'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '156'
                                             'key'  '3A'
                                        'acoustid'  '33b66932-58ab-4b1e-869e-4fc15c2271b0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:Ü"\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xdc"\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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 \x004\x003\x002\x002\x007\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x002\x000\x006\x007\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x002\x009\x004\x006\x008\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x003\x002\x002\x007\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x002\x000\x006\x007\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x002\x009\x004\x006\x008\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:5\x90\x86\x9b\x8c<\x9dJ·6k;\x16\x0ft\x16'  PRIV(owner='WM/WMCollectionGroupID', data=b'5\x90\x86\x9b\x8c<\x9dJ\xb76k;\x16\x0ft\x16')
'PRIV:WM/WMCollectionID:5\x90\x86\x9b\x8c<\x9dJ·6k;\x16\x0ft\x16'  PRIV(owner='WM/WMCollectionID', data=b'5\x90\x86\x9b\x8c<\x9dJ\xb76k;\x16\x0ft\x16')
"PRIV:WM/WMContentID:Êd'0«³«H¡ü¤j9»mÊ"              PRIV(owner='WM/WMContentID', data=b"\xcad'0\xab\xb3\xabH\xa1\xfc\xa4j9\xbbm\xca")
'TALB' (Album/Movie/Show title)                     'My Melody'
'TBPM' (BPM (beats per minute))                     '156'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-10-05'
'TIT2' (Title/songname/content description)         'Discjockey'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Stereo Total'
'TPE2' (Band/orchestra/accompaniment)               'Stereo Total'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bungalow'
'TRCK' (Track number/Position in set)               '5/16'
'TSO2'                                              'Stereo Total'
'TSOP' (Performer sort order)                       'Stereo Total'
'TXXX:ASIN'                                         'B00001YVCG'
'TXXX:Acoustid Id'                                  '33b66932-58ab-4b1e-869e-4fc15c2271b0'
'TXXX:Artists'                                      'Stereo Total'
'TXXX:BARCODE'                                      '661407000828'
'TXXX:CATALOGNUMBER'                                'bung 065-2'
'TXXX:MusicBrainz Album Artist Id'                  '475ae7a5-07de-46a8-a88d-4322259aafa9'
'TXXX:MusicBrainz Album Id'                         'b7f012ab-11bc-4776-a7d5-a21ddc24ab40'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '475ae7a5-07de-46a8-a88d-4322259aafa9'
'TXXX:MusicBrainz Release Group Id'                 '7b55b71c-26c3-3191-9aee-06ebd613dbb6'
'TXXX:MusicBrainz Release Track Id'                 '60faaa6d-1b47-312a-82f7-282727848427'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['indie', 'german', 'electronic', 'pop', 'french']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.311541'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6f88f96b-8c75-454c-ab76-14c5e4513ab0')

========================== row from database ==========================
                                              'id'  1251835
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Stereo Total/my melody/05 disc jockey.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  198
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  4787869
                                           'mtime'  1621630303
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos my melody 05 disc ifs songwriter pop
                                      'tag_artist'  Stereo Total
                                     'tag_release'  My Melody
                                       'tag_title'  Discjockey
                                             'bpm'  156.0
                                    'search_title'  'discjockey':1
                                   'search_artist'  'stereo':1 'total':2
                                  'search_release'  'melody':2 'my':1
                                     'search_rest'  '00singer':1 'disc':6 'eos':3 'ifs':7 'melody':5 'my':4 'pop':8 'songwriter':2
                                    'search_combo'  '00singer':6 'disc':11 'discjockey':1A 'eos':8 'ifs':12 'melody':5C,10 'my':4C,9 'pop':13 'songwriter':7 'stereo':2B 'total':3B
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'german', 'electronic', 'pop', 'french']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1621630302.683124  (2021-05-21 22:51:42)
                             'size'  4787869