<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '298'
                                          'artist'  'Matías Aguayo'
                                     'text_people'  'Matías Aguayo'
                                         'release'  'Ay Ay Ay'
                                           'title'  'Mucho viento'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-samerica-chile'
                                             'bpm'  '144.1'
                                             'key'  '3A'
                                        'acoustid'  'f33aa073-64fa-4746-8f3f-9038d22f2823'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f1880>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1482685"/>
'TALB' (Album/Movie/Show title)                     'Ay Ay Ay'
'TBPM' (BPM (beats per minute))                     '144.1'
'TCOM' (Composer)                                   'Matías Aguayo'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-chile'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-10-26'
'TIPL' (Involved people list)                       TIPL(encoding=&lt;Encoding.UTF16: 1&gt;, people=[['mix', 'Markus Rossknecht'], ['producer', 'Vicente Sanfuentes']])
'TIT2' (Title/songname/content description)         'Mucho viento'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Matías Aguayo'
'TPE2' (Band/orchestra/accompaniment)               'Matías Aguayo'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Kompakt'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Aguayo, Matías'
'TSOC'                                              'Aguayo, Matías'
'TSOP' (Performer sort order)                       'Aguayo, Matías'
'TSRC' (ISRC (international standard recording code))  'DEU670900093'
'TXXX:ASIN'                                         'B002NRBWVO'
'TXXX:Acoustid Id'                                  'f33aa073-64fa-4746-8f3f-9038d22f2823'
'TXXX:Artists'                                      'Matías Aguayo'
'TXXX:BARCODE'                                      '880319041624'
'TXXX:CATALOGNUMBER'                                'KOMPAKT CD 76'
'TXXX:MusicBrainz Album Artist Id'                  '0c84c8eb-7bc7-46a1-888c-daf00b42e63d'
'TXXX:MusicBrainz Album Id'                         '344154da-8337-46c5-8586-5680008df3cc'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0c84c8eb-7bc7-46a1-888c-daf00b42e63d'
'TXXX:MusicBrainz Release Group Id'                 'e17f34a7-2375-4498-a11d-b7c9f691f936'
'TXXX:MusicBrainz Release Track Id'                 'a2f92132-47e2-3b02-a787-5ac23c144b6e'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.90 dB'
'TXXX:replaygain_track_peak'                        '0.609780'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ea2abf03-a6d5-4418-9d8d-d999616edec9')

========================== row from database ==========================
                                              'id'  1482685
                                            'path'  /data/Music/Bulk/00poprockelectronic/[KOMPAKT CD 76] Matias Aguayo - Ay Ay Ay (2009)/07 - Mucho Viento.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  298
                                           'genre'  loc-samerica-chile
                                        'filesize'  12028728
                                           'mtime'  1621630243
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [KOMPAKT CD 76] Matias (2009) 07 Viento loc samerica chile
                                      'tag_artist'  Matías Aguayo
                                     'tag_release'  Ay Ay Ay
                                       'tag_title'  Mucho viento
                                             'bpm'  144.1
                                    'search_title'  'mucho':1 'viento':2
                                   'search_artist'  'aguayo':3 'matias':1,2
                                  'search_release'  'ay':1
                                     'search_rest'  '00poprockelectronic':1 '2009':8,9 '76':5,6 'cd':4 'chile':13 'kompakt':2,3 'loc':11 'matias':7 'samerica':12 'viento':10
                                    'search_combo'  '00poprockelectronic':7 '2009':14,15 '76':11,12 'aguayo':5B 'ay':6C 'cd':10 'chile':19 'kompakt':8,9 'loc':17 'matias':3B,4B,13 'mucho':1A 'samerica':18 'viento':2A,16
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['chile']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630243.065364  (2021-05-21 22:50:43)
                             'size'  12028728