======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '221'
                                          'artist'  'Major Lazer'
                                     'text_people'  ''
                                         'release'  "Guns Don't Kill People... Lazers Do"
                                           'title'  'Hold the line feat. Mr. Lexx & Santogold'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'electro', 'electronic', 'dancehall']"
                                     'discogstags'  "['electronic', 'hip hop', 'reggae', 'dub', 'ragga hiphop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '104.0'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Guns Don't Kill People... Lazers Do"
'TBPM' (BPM (beats per minute))                     '104.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Hold the line feat. Mr. Lexx & Santogold'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Major Lazer'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'reggae', 'dub', 'ragga hiphop']
'TXXX:lastfmtags'                                   ['reggae', 'dub', 'electro', 'electronic', 'dancehall']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+21.38 dB'
'TXXX:replaygain_track_peak'                        '0.030063'

========================== row from database ==========================
                                              'id'  1314237
                                            'path'  /data/Music/Bulk/00localcharacter/Reggae/01 hold the line feat. mr. lexx & santigold.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  221
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  8845018
                                           'mtime'  1620523539
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Reggae 01 hold mr. lexx santigold loc style reggae dub ska dancehall unsorted
                                      'tag_artist'  Major Lazer
                                     'tag_release'  Guns Don't Kill People... Lazers Do
                                       'tag_title'  Hold the line feat. Mr. Lexx & Santogold
                                             'bpm'  104.0
                                    'search_title'  'feat':4,5 'hold':1 'lexx':8 'line':3 'mr':6,7 'santogold':9 'the':2
                                   'search_artist'  'lazer':2 'major':1
                                  'search_release'  'do':9 'don':2 'dont':4 'guns':1 'kill':5 'lazers':8 'people':6,7 't':3
                                     'search_rest'  'dancehall':11 'dub':9 'hold':2 'lexx':5 'loc':7 'mr':3,4 'reggae':1 'santigold':6 'ska':10 'style':8 'unsorted':12
                                    'search_combo'  'dancehall':31 'do':20C 'don':13C 'dont':15C 'dub':29 'feat':4A,5A 'guns':12C 'hold':1A,22 'kill':16C 'lazer':11B 'lazers':19C 'lexx':8A,25 'line':3A 'loc':27 'major':10B 'mr':6A,7A,23,24 'people':17C,18C 'reggae':21 'santigold':26 'santogold':9A 'ska':30 'style':28 't':14C 'the':2A 'unsorted':32
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'electro', 'electronic', 'dancehall']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'hip hop', 'reggae', 'dub', 'ragga hiphop']

============================== file details ==============================
                                           'mtime'  1620523539.3756714  (2021-05-09 03:25:39)
                             'size'  8845018