======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '285'
                                          'artist'  'v vm'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'asdf'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['noise', 'experimental', 'idm', 'electronic', 'mashup']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '119.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:XMP:\n\n \n  \n   \n    \n     \n     \n    \n   \n  \n \n\n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                           \n'  PRIV(owner='XMP', data=b'<?xpacket begin="\xef\xbb\xbf" id="W5M0MpCehiHzreSzNTczkc9d"?>\n<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 4.2.2-c063 53.360203, 2008/10/08-10:33:40        ">\n <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">\n  <rdf:Description rdf:about=""\n    xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/"\n    xmlns:stEvt="http://ns.adobe.com/xap/1.0/sType/ResourceEvent#"\n    xmlns:xmp="http://ns.adobe.com/xap/1.0/"\n    xmlns:xmpDM="http://ns.adobe.com/xmp/1.0/DynamicMedia/"\n   xmpMM:InstanceID="xmp.iid:9C8531A88EABE0119E1FC53AD7980A65"\n   xmpMM:DocumentID="xmp.did:9A8531A88EABE0119E1FC53AD7980A65"\n   xmpMM:OriginalDocumentID="xmp.did:9A8531A88EABE0119E1FC53AD7980A65"\n   xmp:MetadataDate="2011-07-11T09:36:59+02:00"\n   xmp:ModifyDate="2011-07-11T09:36:48+02:00"\n   xmpDM:audioSampleRate="44.100"\n   xmpDM:audioSampleType="Compressed"\n   xmpDM:audioChannelType="Stereo">\n   <xmpMM:History>\n    <rdf:Seq>\n     <rdf:li\n      stEvt:action="saved"\n      stEvt:instanceID="xmp.iid:9B8531A88EABE0119E1FC53AD7980A65"\n      stEvt:when="2011-07-11T09:36:48+02:00"\n      stEvt:softwareAgent="Adobe Premiere Pro 4.0"\n      stEvt:changed="/metadata;/content"/>\n     <rdf:li\n      stEvt:action="saved"\n      stEvt:instanceID="xmp.iid:9C8531A88EABE0119E1FC53AD7980A65"\n      stEvt:when="2011-07-11T09:36:59+02:00"\n      stEvt:softwareAgent="Adobe Premiere Pro 4.0"\n      stEvt:changed="/metadata"/>\n    </rdf:Seq>\n   </xmpMM:History>\n  </rdf:Description>\n </rdf:RDF>\n</x:xmpmeta>\n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                           \n<?xpacket end="w"?>')
'TBPM' (BPM (beats per minute))                     '119.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'asdf'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'v vm'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['noise', 'experimental', 'idm', 'electronic', 'mashup']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.885990'

========================== row from database ==========================
                                              'id'  762565
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Elektronikzeugs/v vm - asdf.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  285
                                           'genre'  electronic-unsorted
                                        'filesize'  4568983
                                           'mtime'  1620536721
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Elektronikzeugs electronic unsorted
                                      'tag_artist'  v vm
                                     'tag_release'  None
                                       'tag_title'  asdf
                                             'bpm'  119.9
                                    'search_title'  'asdf':1
                                   'search_artist'  'v':1 'vm':2
                                  'search_release'  
                                     'search_rest'  'electronic':2 'elektronikzeugs':1 'unsorted':3
                                    'search_combo'  'asdf':1A 'electronic':5 'elektronikzeugs':4 'unsorted':6 'v':2B 'vm':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['noise', 'experimental', 'idm', 'electronic', 'mashup']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536720.5063195  (2021-05-09 07:05:20)
                             'size'  4568983