======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '136'
                                          'artist'  'joao gilberto'
                                     'text_people'  ''
                                         'release'  'Untitled - New CD'
                                           'title'  'bossanova brasil'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['bossa nova', 'brazilian', 'jazz', 'mpb', 'brasil']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '105.422'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Untitled - New CD'
'TBPM' (BPM (beats per minute))                     '105.422'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'bossanova brasil'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'joao gilberto'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bossa nova', 'brazilian', 'jazz', 'mpb', 'brasil']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '2.511973'

========================== row from database ==========================
                                              'id'  851172
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/ASTRUD en BEBEL GILBERTO/Astrud Gilberto - Bossa Nova Brasil.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  136
                                           'genre'  prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2182542
                                           'mtime'  1620528082
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country ASTRUD en BEBEL GILBERTO Astrud Gilberto Bossa Nova Brasil prerock jb jazz unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  joao gilberto
                                     'tag_release'  Untitled - New CD
                                       'tag_title'  bossanova brasil
                                             'bpm'  105.422
                                    'search_title'  'bossanova':1 'brasil':2
                                   'search_artist'  'gilberto':2 'joao':1
                                  'search_release'  'cd':3 'new':2 'untitled':1
                                     'search_rest'  'astrud':5 'bebel':7 'bossa':9 'brasil':11 'country':4 'en':6 'exotica':2 'gilberto':8 'jazz':1 'jb':13 'mor':23 'nova':10 'oldies':3 'pl':18 'prerock':12 'set':15,17,20,22 'shirleyspinoza':19,21 'unsorted':14,16
                                    'search_combo'  'astrud':12 'bebel':14 'bossa':16 'bossanova':1A 'brasil':2A,18 'cd':7C 'country':11 'en':13 'exotica':9 'gilberto':4B,15 'jazz':8 'jb':20 'joao':3B 'mor':30 'new':6C 'nova':17 'oldies':10 'pl':25 'prerock':19 'set':22,24,27,29 'shirleyspinoza':26,28 'unsorted':21,23 'untitled':5C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['bossa nova', 'brazilian', 'jazz', 'mpb', 'brasil']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528081.865645  (2021-05-09 04:41:21)
                             'size'  2182542