======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '130'
                                          'artist'  'Mort Garson'
                                     'text_people'  'Mort Garson'
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Mellow Mood for Maidenhair'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['psychedelic', 'electronic', 'moog', 'experimental', 'early electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '144.130'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:XMP:\n\n \n  \n   \n    \n     Mellow Mood for Maidenhair\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="3.1.2-113">\n <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">\n  <rdf:Description rdf:about=""\n    xmlns:dc="http://purl.org/dc/elements/1.1/"\n    xmlns:xmpDM="http://ns.adobe.com/xmp/1.0/DynamicMedia/"\n   xmpDM:genre="Other"\n   xmpDM:trackNumber="9"\n   xmpDM:audioSampleRate="44100"\n   xmpDM:audioSampleType="16-bit"\n   xmpDM:audioChannelType="2"\n   xmpDM:audioCompressor=""\n   xmpDM:duration="2:10.437"\n   xmpDM:loop="False"\n   xmpDM:numberOfBeats="324"\n   xmpDM:key="C"\n   xmpDM:tempo="149"\n   xmpDM:stretchMode="Fixed Length"\n   xmpDM:relativeTimestamp="">\n   <dc:title>\n    <rdf:Alt>\n     <rdf:li xml:lang="x-default">Mellow Mood for Maidenhair</rdf:li>\n    </rdf:Alt>\n   </dc:title>\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<?xpacket end="w"?>')
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCOM' (Composer)                                   'Mort Garson'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Mellow Mood for Maidenhair'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mort Garson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['psychedelic', 'electronic', 'moog', 'experimental', 'early electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.584426'

========================== row from database ==========================
                                              'id'  949319
                                            'path'  /data/Music/Bulk/sns/Mort Garson - Mellow Mood for Maidenhair.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  130
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  5390638
                                           'mtime'  1621044086
                                   'redo_metaread'  0
                                        'rest_str'   sns set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Mort Garson
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Mellow Mood for Maidenhair
                                             'bpm'  144.13
                                    'search_title'  'for':3 'maidenhair':4 'mellow':1 'mood':2
                                   'search_artist'  'garson':2 'mort':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':8 'pl':3 'set':2,5,7 'shirleyspinoza':4,6 'sns':1
                                    'search_combo'  'for':3A 'garson':6B 'maidenhair':4A 'mellow':1A 'mood':2A 'mor':16 'mort':5B 'pl':11 'set':10,13,15 'shirley':7C 'shirleyspinoza':12,14 'sns':9 'spinoza':8C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'electronic', 'moog', 'experimental', 'early electronic']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621044085.7735488  (2021-05-15 04:01:25)
                             'size'  5390638