======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '179'
                                          'artist'  'Carmen Miranda'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Chico Chico (from Porto Rico) (film soundtrack)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['brazil', 'samba', 'female vocalists', 'latin', 'brazilian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'prerock-samba'
                                             'bpm'  '85.453'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '85.453'
'TCON' (Content type, a.k.a. Genre)                 'prerock-samba'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'Chico Chico (from Porto Rico) (film soundtrack)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carmen Miranda'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['brazil', 'samba', 'female vocalists', 'latin', 'brazilian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.389519'

========================== row from database ==========================
                                              'id'  1428287
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1945/Carmen Miranda - Chico Chico (From Porto Rico) (film soundtrack) 1945.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  179
                                           'genre'  prerock-samba
                                        'filesize'  3596082
                                           'mtime'  1636916629
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1945 (From 1945 prerock samba
                                      'tag_artist'  Carmen Miranda
                                     'tag_release'  None
                                       'tag_title'  Chico Chico (from Porto Rico) (film soundtrack)
                                             'bpm'  85.453
                                    'search_title'  'chico':1 'film':7,8 'from':2,3 'porto':4 'rico':5,6 'soundtrack':9,10
                                   'search_artist'  'carmen':1 'miranda':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1945':6 'country':4 'exotica':2 'from':7,8 'jazz':1 'oldies':3 'prerock':9 'samba':10
                                    'search_combo'  '00oldiepop':17 '1945':18 'carmen':11B 'chico':1A 'country':16 'exotica':14 'film':7A,8A 'from':2A,3A,19,20 'jazz':13 'miranda':12B 'oldies':15 'porto':4A 'prerock':21 'rico':5A,6A 'samba':22 'soundtrack':9A,10A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['brazil', 'samba', 'female vocalists', 'latin', 'brazilian']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916629.0969837  (2021-11-14 20:03:49)
                             'size'  3596082