======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '198'
                                          'artist'  'Ska Cubano'
                                     'text_people'  ''
                                         'release'  '!Ay Caramba!'
                                           'title'  'Jezebel (instrumental)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'cuban', 'latin', 'ska', 'cuba']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska;loc-samerica'
                                             'bpm'  '131.328'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     '!Ay Caramba!'
'TBPM' (BPM (beats per minute))                     '131.328'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-reggae or dub or ska or dancehall-ska', 'loc-samerica']
'TIT2' (Title/songname/content description)         'Jezebel (instrumental)'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ska Cubano'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:DATE'                                         '2005'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '105,207'
'TXXX:MP3GAIN_UNDO'                                 '+006,+006,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['reggae', 'cuban', 'latin', 'ska', 'cuba']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.26 dB'
'TXXX:replaygain_track_peak'                        '0.418845'

========================== row from database ==========================
                                              'id'  1386023
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Putumayo Presents - Ska Cubano - _Ay Caramba!  2006/16 - Jezebel (Instrumental Bonus Track).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  198
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska;loc-samerica
                                        'filesize'  4802560
                                           'mtime'  1620522147
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Putumayo Presents _Ay 2006 16 (Instrumental Bonus Track) loc style reggae or dub or ska or dancehall ska;loc samerica
                                      'tag_artist'  Ska Cubano
                                     'tag_release'  !Ay Caramba!
                                       'tag_title'  Jezebel (instrumental)
                                             'bpm'  131.328
                                    'search_title'  'instrumental':2,3 'jezebel':1
                                   'search_artist'  'cubano':2 'ska':1
                                  'search_release'  'ay':1 'caramba':2
                                     'search_rest'  '00reggae':1 '2006':6 'ay':5 'bonus':9 'dancehall':17 'dub':2 'instrumental':7,8 'loc':12,19,21 'or':15 'presents':4 'putumayo':3 'reggae':14 'samerica':22 'ska':16,18,20 'style':13 'track':10,11
                                    'search_combo'  '00reggae':8 '2006':13 'ay':6C,12 'bonus':16 'caramba':7C 'cubano':5B 'dancehall':24 'dub':9 'instrumental':2A,3A,14,15 'jezebel':1A 'loc':19,26,28 'or':22 'presents':11 'putumayo':10 'reggae':21 'samerica':29 'ska':4B,23,25,27 'style':20 'track':17,18
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', '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'  1620522147.1949573  (2021-05-09 03:02:27)
                             'size'  4802560