======================== unified (from filesystem) ========================
                                         'bitrate'  '195.159'
                                        'duration'  '216'
                                          'artist'  'Asian Dub Foundation'
                                     'text_people'  ''
                                         'release'  'Community Music'
                                           'title'  'Memory War'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'trip hop', 'dub', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic', 'dub', 'drum n bass', 'jungle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-modern'
                                             'bpm'  '117.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Community Music'
'TBPM' (BPM (beats per minute))                     '117.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-modern'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Memory War'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Asian Dub Foundation'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'dub', 'drum n bass', 'jungle']
'TXXX:lastfmtags'                                   ['alternative', 'trip hop', 'dub', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.387612'

========================== row from database ==========================
                                              'id'  1266189
                                            'path'  /data/Music/Bulk/00localcharacter/Asian Dub Foundation/asian dub foundation - community music ++/Asian Dub Foundation - 02 - Memory war.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  216
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-modern
                                        'filesize'  5281837
                                           'mtime'  1620522945
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter asian dub foundation community music ++ 02 war loc style reggae dub ska dancehall dub modern
                                      'tag_artist'  Asian Dub Foundation
                                     'tag_release'  Community Music
                                       'tag_title'  Memory War
                                             'bpm'  117.9
                                    'search_title'  'memory':1 'war':2
                                   'search_artist'  'asian':1 'dub':2 'foundation':3
                                  'search_release'  'community':1 'music':2
                                     'search_rest'  'asian':1 'community':4 'dancehall':11 'dub':2 'foundation':3 'loc':7 'modern':12 'music':5 'reggae':9 'ska':10 'style':8 'war':6
                                    'search_combo'  'asian':3B,8 'community':6C,11 'dancehall':18 'dub':4B,9 'foundation':5B,10 'loc':14 'memory':1A 'modern':19 'music':7C,12 'reggae':16 'ska':17 'style':15 'war':2A,13
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'trip hop', 'dub', 'electronic', 'hip hop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'dub', 'drum n bass', 'jungle']

============================== file details ==============================
                                           'mtime'  1620522945.1310241  (2021-05-09 03:15:45)
                             'size'  5281837