======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '121'
                                          'artist'  'Manuel Salazar'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "Ch'ella Mi Creda"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1912'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '125.8'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '125.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1912'
'TIT2' (Title/songname/content description)         "Ch'ella Mi Creda"
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '121000'
'TPE1' (Lead performer(s)/Soloist(s))               'Manuel Salazar'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.570087'

========================== row from database ==========================
                                              'id'  1522276
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1912/Manuel Salazar - Ch_ella mi creda 1912.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  121
                                           'genre'  prerock-unsorted
                                        'filesize'  2501237
                                           'mtime'  1621697774
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1912 Ch_ella mi creda 1912 prerock unsorted
                                      'tag_artist'  Manuel Salazar
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Ch'ella Mi Creda
                                             'bpm'  125.8
                                    'search_title'  'ch':1 'chella':3 'creda':5 'ella':2 'mi':4
                                   'search_artist'  'manuel':1 'salazar':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1912':6 'ch':7 'country':4 'creda':10 'ella':8 'exotica':2 'jazz':1 'mi':9 'oldies':3 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':17 '1912':18 'album':9C 'ch':1A,19 'chella':3A 'country':16 'creda':5A,22 'ella':2A,20 'exotica':14 'jazz':13 'manuel':6B 'mi':4A,21 'non':8C 'nonalbum':10C 'oldies':15 'prerock':23 'salazar':7B 'tracks':11C,12C 'unsorted':24
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2A
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1912
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697774.007526  (2021-05-22 17:36:14)
                             'size'  2501237