======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '290'
                                          'artist'  'Negrocan'
                                     'text_people'  ''
                                         'release'  'Medio Mundo'
                                           'title'  'Aquela Esquina'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['house', 'jazz', 'latin', 'electronic', 'latin house']"
                                     'discogstags'  "['electronic', 'latin', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-samerica-brazil'
                                             'bpm'  '120.185'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Medio Mundo'
'TBPM' (BPM (beats per minute))                     '120.185'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-brazil'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Aquela Esquina'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Negrocan'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'latin', 'house']
'TXXX:lastfmtags'                                   ['house', 'jazz', 'latin', 'electronic', 'latin house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.79 dB'
'TXXX:replaygain_track_peak'                        '0.559320'

========================== row from database ==========================
                                              'id'  1389398
                                            'path'  /data/Music/Bulk/0soundtrack/Negrocan - brazilectro/Negrocan - Aquela Esquina.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  290
                                           'genre'  loc-samerica-brazil
                                        'filesize'  11635538
                                           'mtime'  1621630368
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack brazilectro loc samerica brazil
                                      'tag_artist'  Negrocan
                                     'tag_release'  Medio Mundo
                                       'tag_title'  Aquela Esquina
                                             'bpm'  120.185
                                    'search_title'  'aquela':1 'esquina':2
                                   'search_artist'  'negrocan':1
                                  'search_release'  'medio':1 'mundo':2
                                     'search_rest'  '0soundtrack':1 'brazil':5 'brazilectro':2 'loc':3 'samerica':4
                                    'search_combo'  '0soundtrack':6 'aquela':1A 'brazil':10 'brazilectro':7 'esquina':2A 'loc':8 'medio':4C 'mundo':5C 'negrocan':3B 'samerica':9
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'jazz', 'latin', 'electronic', 'latin house']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'latin', 'house']

============================== file details ==============================
                                           'mtime'  1621630368.317477  (2021-05-21 22:52:48)
                             'size'  11635538