======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '148'
                                          'artist'  'Renato y seus Blue Caps'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol. 8'
                                           'title'  'Sim, sou feliz'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-chart-1', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['rock', 'jovem guarda', 'brazilian', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '127.927'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:'                                             POPM(email='', rating=0, count=0)
'PRIV:AverageLevel:{\t\x00\x00'                     PRIV(owner='AverageLevel', data=b'{\t\x00\x00')
'PRIV:PeakValue:¡?\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1?\x00\x00')
'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 8'
'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Sim, sou feliz'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Renato y seus Blue Caps'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'jovem guarda', 'brazilian', '60s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.498285'

========================== row from database ==========================
                                              'id'  1414577
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.08 (spanish 60s)/03. Renato y seus Blue Caps - Sim, sou feliz.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  148
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  2575867
                                           'mtime'  1620736890
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.08 (spanish 60s) 03. rock cppex psychedelic
                                      'tag_artist'  Renato y seus Blue Caps
                                     'tag_release'  Psychodelicias Vol. 8
                                       'tag_title'  Sim, sou feliz
                                             'bpm'  127.927
                                    'search_title'  'feliz':4 'sim':1,2 'sou':3
                                   'search_artist'  'blue':4 'caps':5 'renato':1 'seus':3 'y':2
                                  'search_release'  '8':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '03':9,10 '08':3 '60s':7,8 'classicprogpsy':1 'cppex':12 'psychedelic':13 'rock':11 'spanish':5,6 'vol':2 'vol08':4
                                    'search_combo'  '03':22,23 '08':16 '60s':20,21 '8':13C 'blue':8B 'caps':9B 'classicprogpsy':14 'cppex':25 'feliz':4A 'psychedelic':26 'psychodelicias':10C 'renato':5B 'rock':24 'seus':7B 'sim':1A,2A 'sou':3A 'spanish':18,19 'vol':11C,12C,15 'vol08':17 'y':6B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'jovem guarda', 'brazilian', '60s', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736890.4714558  (2021-05-11 14:41:30)
                             'size'  2575867