======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'Bebel Gilberto e Chico Buarque'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'A mais bonita'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-3', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'brasil', 'relax', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '94.108'
                                             'key'  '6A'
                                        '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')
'TBPM' (BPM (beats per minute))                     '94.108'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'A mais bonita'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bebel Gilberto e Chico Buarque'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'brasil', 'relax', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.662994'

========================== row from database ==========================
                                              'id'  851483
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/ASTRUD en BEBEL GILBERTO/chico buarque Bebel Gilberto e Chico Buarque - A mais bonita.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  prerock-jb-blues
                                        'filesize'  3438464
                                           'mtime'  1620402210
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country ASTRUD en BEBEL GILBERTO chico buarque prerock jb blues
                                      'tag_artist'  Bebel Gilberto e Chico Buarque
                                     'tag_release'  None
                                       'tag_title'  A mais bonita
                                             'bpm'  94.108
                                    'search_title'  'a':1 'bonita':3 'mais':2
                                   'search_artist'  'bebel':1 'buarque':5 'chico':4 'e':3 'gilberto':2
                                  'search_release'  
                                     'search_rest'  'astrud':5 'bebel':7 'blues':13 'buarque':10 'chico':9 'country':4 'en':6 'exotica':2 'gilberto':8 'jazz':1 'jb':12 'oldies':3 'prerock':11
                                    'search_combo'  'a':1A 'astrud':13 'bebel':4B,15 'blues':21 'bonita':3A 'buarque':8B,18 'chico':7B,17 'country':12 'e':6B 'en':14 'exotica':10 'gilberto':5B,16 'jazz':9 'jb':20 'mais':2A 'oldies':11 'prerock':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'brasil', 'relax', 'female vocalists']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402209.8637347  (2021-05-07 17:43:29)
                             'size'  3438464