======================== unified (from filesystem) ========================
                                         'bitrate'  '262.795'
                                        'duration'  '151'
                                          'artist'  'The Blood Brothers'
                                     'text_people'  ''
                                         'release'  'Young Machetes'
                                           'title'  'Huge Gold AK-47'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'post hardcore', 'hardcore', 'experimental', 'screamo']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-noise-screamo'
                                             'bpm'  '113.900'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Young Machetes'
'TBPM' (BPM (beats per minute))                     '113.900'
'TCON' (Content type, a.k.a. Genre)                 'eid-noise-screamo'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Huge Gold AK-47'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Blood Brothers'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'post hardcore', 'hardcore', 'experimental', 'screamo']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.305191'

========================== row from database ==========================
                                              'id'  1287013
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Blood Brothers/The Blood Brothers - Young Machetes - 13 - Huge Gold AK-47.mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  151
                                           'genre'  eid-noise-screamo
                                        'filesize'  4973788
                                           'mtime'  1620311569
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 13 eid noise screamo
                                      'tag_artist'  The Blood Brothers
                                     'tag_release'  Young Machetes
                                       'tag_title'  Huge Gold AK-47
                                             'bpm'  113.9
                                    'search_title'  '47':4 'ak':3 'ak47':5 'gold':2 'huge':1
                                   'search_artist'  'blood':2 'brothers':3 'the':1
                                  'search_release'  'machetes':2 'young':1
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'noise':3 'screamo':4
                                    'search_combo'  '00poprockelectronic':11 '47':4A 'ak':3A 'ak47':5A 'blood':7B 'brothers':8B 'eid':12 'gold':2A 'huge':1A 'machetes':10C 'noise':13 'screamo':14 'the':6B 'young':9C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'post hardcore', 'hardcore', 'experimental', 'screamo']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311569.4442885  (2021-05-06 16:32:49)
                             'size'  4973788