======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '170'
                                          'artist'  'Alan y sus Bates'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol. 8'
                                           'title'  'Pronto un doctor'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '137.013'
                                             'key'  '8A'
                                        '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:!4\x00\x00'                         PRIV(owner='PeakValue', data=b'!4\x00\x00')
'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 8'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Pronto un doctor'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alan y sus Bates'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.408354'

========================== row from database ==========================
                                              'id'  1414669
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.08 (spanish 60s)/04. Alan y sus Bates - Pronto un doctor.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  170
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  2928196
                                           'mtime'  1620736891
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.08 (spanish 60s) 04. rock cppex psychedelic
                                      'tag_artist'  Alan y sus Bates
                                     'tag_release'  Psychodelicias Vol. 8
                                       'tag_title'  Pronto un doctor
                                             'bpm'  137.013
                                    'search_title'  'doctor':3 'pronto':1 'un':2
                                   'search_artist'  'alan':1 'bates':4 'sus':3 'y':2
                                  'search_release'  '8':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '04':9,10 '08':3 '60s':7,8 'classicprogpsy':1 'cppex':12 'psychedelic':13 'rock':11 'spanish':5,6 'vol':2 'vol08':4
                                    'search_combo'  '04':20,21 '08':14 '60s':18,19 '8':11C 'alan':4B 'bates':7B 'classicprogpsy':12 'cppex':23 'doctor':3A 'pronto':1A 'psychedelic':24 'psychodelicias':8C 'rock':22 'spanish':16,17 'sus':6B 'un':2A 'vol':9C,10C,13 'vol08':15 'y':5B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736890.5169296  (2021-05-11 14:41:30)
                             'size'  2928196