======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '205'
                                          'artist'  'Calvin Harris'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Blame'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'electro', 'electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '128.251'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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                                                                                   \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                           \n\x00'  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 5.3-c011 66.145661, 2012/02/06-14:56:27        ">\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:07801174072068118C14E761CC7A32E6"\n   xmpMM:DocumentID="xmp.did:05801174072068118C14E761CC7A32E6"\n   xmpMM:OriginalDocumentID="xmp.did:05801174072068118C14E761CC7A32E6"\n   xmp:MetadataDate="2015-04-06T00:31:53+03:00"\n   xmp:ModifyDate="2015-04-06T00:31:51+03:00"\n   xmpDM:audioSampleRate="44100"\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:06801174072068118C14E761CC7A32E6"\n      stEvt:when="2015-04-06T00:31:51+03:00"\n      stEvt:softwareAgent="Adobe Premiere Pro CS6 (Macintosh)"\n      stEvt:changed="/"/>\n     <rdf:li\n      stEvt:action="saved"\n      stEvt:instanceID="xmp.iid:07801174072068118C14E761CC7A32E6"\n      stEvt:when="2015-04-06T00:31:53+03:00"\n      stEvt:softwareAgent="Adobe Premiere Pro CS6 (Macintosh)"\n      stEvt:changed="/metadata"/>\n    </rdf:Seq>\n   </xmpMM:History>\n  </rdf:Description>\n </rdf:RDF>\n</x:xmpmeta>\n                                                                                                    \n                                                                                                    \n                                                                                                    \n 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                \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                                                                                                    \n                           \n<?xpacket end="w"?>\x00')
'TBPM' (BPM (beats per minute))                     '128.251'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Blame'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Calvin Harris'
'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:lastfmtags'                                   ['dance', 'electronica', 'electro', 'electronic', 'disco']
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.333278'

========================== row from database ==========================
                                              'id'  1324101
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/01 - Calvin Harris feat. John Newman - Blame.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  205
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8219567
                                           'mtime'  1621696873
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 01 feat. John Newman electronic generic or radio dance
                                      'tag_artist'  Calvin Harris
                                     'tag_release'  None
                                       'tag_title'  Blame
                                             'bpm'  128.251
                                    'search_title'  'blame':1
                                   'search_artist'  'calvin':1 'harris':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':11 'electronic':7 'feat':3,4 'generic':8 'john':5 'newman':6 'or':9 'radio':10 'set':2
                                    'search_combo'  '00poprockelectronic':4 'blame':1A 'calvin':2B 'dance':14 'electronic':10 'feat':6,7 'generic':11 'harris':3B 'john':8 'newman':9 'or':12 'radio':13 'set':5
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', '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'  ['dance', 'electronica', 'electro', 'electronic', 'disco']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696872.725994  (2021-05-22 17:21:12)
                             'size'  8219567