<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '232'
                                          'artist'  'Ska Cubano'
                                     'text_people'  ''
                                         'release'  '!Ay Caramba!'
                                           'title'  'Marianao'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'cuban', 'latin', 'ska', 'cuba']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '17'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '138.797'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81520>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1390468"/>
'COMM:ID3v1 Comment:XXX'                            '17+FB89B5E87A339D8FEF2AA1B9B'
'COMM:iTunes_CDDB_IDs:eng'                          '17+FB89B5E87A339D8FEF2AA1B9BEBCF5B5+5581117'
'TALB' (Album/Movie/Show title)                     '!Ay Caramba!'
'TBPM' (BPM (beats per minute))                     '138.797'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Marianao'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ska Cubano'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10/17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['reggae', 'cuban', 'latin', 'ska', 'cuba']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.352541'
'WCOM:http://www.amazon.co.uk/exec/obidos/ASIN/B0009U5DIK/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2'  WCOM(url='http://www.amazon.co.uk/exec/obidos/ASIN/B0009U5DIK/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2')

========================== row from database ==========================
                                              'id'  1390468
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Putumayo Presents - Ska Cubano - ΅Ay Caramba!  2006/10 - Beny Morι - Marianao.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  232
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  5604875
                                           'mtime'  1620522154
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Putumayo Presents ΅Ay 2006 10 Beny Morι loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Ska Cubano
                                     'tag_release'  !Ay Caramba!
                                       'tag_title'  Marianao
                                             'bpm'  138.797
                                    'search_title'  'marianao':1
                                   'search_artist'  'cubano':2 'ska':1
                                  'search_release'  'ay':1 'caramba':2
                                     'search_rest'  '00reggae':1 '2006':7 'ay':5,6 'beny':8 'dancehall':16 'dub':2 'loc':11 'mori':10 'morι':9 'or':14 'presents':4 'putumayo':3 'reggae':13 'ska':15 'style':12
                                    'search_combo'  '00reggae':6 '2006':12 'ay':4C,10,11 'beny':13 'caramba':5C 'cubano':3B 'dancehall':21 'dub':7 'loc':16 'marianao':1A 'mori':15 'morι':14 'or':19 'presents':9 'putumayo':8 'reggae':18 'ska':2B,20 'style':17
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'cuban', 'latin', 'ska', 'cuba']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522154.4659998  (2021-05-09 03:02:34)
                             'size'  5604875