======================== unified (from filesystem) ========================
                                         'bitrate'  '131.001'
                                        'duration'  '171'
                                          'artist'  'Quarteto Em Cy'
                                     'text_people'  ''
                                         'release'  'Dimitri 60s 70s'
                                           'title'  'Quando O Carnaval Chegar'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['bossa nova', 'brazilian', 'female vocalists', 'mpb', 'brazil']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '124.6'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri 60s 70s'
'TBPM' (BPM (beats per minute))                     '124.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Quando O Carnaval Chegar'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Quarteto Em Cy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bossa nova', 'brazilian', 'female vocalists', 'mpb', 'brazil']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.552795'
'TXXX:youtube'                                      'psp27UmHKyY'

========================== row from database ==========================
                                              'id'  1477592
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/60s70s/Quarteto Em Cy -  Quando O Carnaval Chegar-psp27UmHKyY.mp3
                                         'working'  None
                                         'bitrate'  131
                                    'duration_sec'  171
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2818782
                                           'mtime'  1620538413
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 60s70s psp27UmHKyY prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Quarteto Em Cy
                                     'tag_release'  Dimitri 60s 70s
                                       'tag_title'  Quando O Carnaval Chegar
                                             'bpm'  124.6
                                    'search_title'  'carnaval':3 'chegar':4 'o':2 'quando':1
                                   'search_artist'  'cy':3 'em':2 'quarteto':1
                                  'search_release'  '60s':2 '70s':3 'dimitri':1
                                     'search_rest'  '60s70s':1 'bossa':9 'exotica':8 'hky':11 'jazz':5 'jb':4 'lounge':6 'or':7 'prerock':3 'psp27um':10 'psp27umhkyy':2 'y':12
                                    'search_combo'  '60s':9C '60s70s':11 '70s':10C 'bossa':19 'carnaval':3A 'chegar':4A 'cy':7B 'dimitri':8C 'em':6B 'exotica':18 'hky':21 'jazz':15 'jb':14 'lounge':16 'o':2A 'or':17 'prerock':13 'psp27um':20 'psp27umhkyy':12 'quando':1A 'quarteto':5B 'y':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['bossa nova', 'brazilian', 'female vocalists', 'mpb', 'brazil']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538412.8237958  (2021-05-09 07:33:32)
                             'size'  2818782