======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '293'
                                          'artist'  'Skrillex'
                                     'text_people'  ''
                                         'release'  'Skrillex - Best Hits'
                                           'title'  'Slats slats slats'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electronic', 'electro', 'dubstep', 'breakcore']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '127.927'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Skrillex - Best Hits'
'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Slats slats slats'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Skrillex'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'electro', 'dubstep', 'breakcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.41 dB'
'TXXX:replaygain_track_peak'                        '0.383103'

========================== row from database ==========================
                                              'id'  1419012
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00dubstep/Skrillex/Skrillex - Slats slats slats (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  293
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  11753648
                                           'mtime'  1642341061
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00dubstep (Original Mix) electronic generic or radio dance
                                      'tag_artist'  Skrillex
                                     'tag_release'  Skrillex - Best Hits
                                       'tag_title'  Slats slats slats
                                             'bpm'  127.927
                                    'search_title'  'slats':1
                                   'search_artist'  'skrillex':1
                                  'search_release'  'best':2 'hits':3 'skrillex':1
                                     'search_rest'  '00dubstep':5 '00poprockelectronic':1 'dance':3 'electronic':10 'generic':2 'mix':8,9 'or':11 'original':6,7 'radio':12 'trapbeat':4
                                    'search_combo'  '00dubstep':10 '00poprockelectronic':6 'best':4C 'dance':8 'electronic':15 'generic':7 'hits':5C 'mix':13,14 'or':16 'original':11,12 'radio':17 'skrillex':2B,3C 'slats':1A 'trapbeat':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']
                                      'lastfmtags'  ['electronica', 'electronic', 'electro', 'dubstep', 'breakcore']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1642341060.7903693  (2022-01-16 14:51:00)
                             'size'  11753648