======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '314'
                                          'artist'  'Asian Dub Foundation'
                                     'text_people'  ''
                                         'release'  "Rafi's Revenge"
                                           'title'  'Tribute To John Stevens'
                                           '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-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'trip hop', 'dub', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic', 'leftfield', 'drum n bass', 'jungle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-modern'
                                             'bpm'  '142.4'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Rafi's Revenge"
'TBPM' (BPM (beats per minute))                     '142.4'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-modern'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Tribute To John Stevens'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Asian Dub Foundation'
'TRCK' (Track number/Position in set)               '12'
'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', 'leftfield', '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'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.17 dB'
'TXXX:replaygain_track_peak'                        '0.975247'

========================== row from database ==========================
                                              'id'  1527089
                                            'path'  /data/Music/Bulk/00localcharacter/Asian Dub Foundation/asian dub foundation - rafi_s revenge/Asian Dub Foundation - 12. Tribute To John Stevens.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  314
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-modern
                                        'filesize'  5025454
                                           'mtime'  1620522957
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter asian dub foundation rafi_s revenge 12. loc style reggae or dub or ska or dancehall dub modern
                                      'tag_artist'  Asian Dub Foundation
                                     'tag_release'  Rafi's Revenge
                                       'tag_title'  Tribute To John Stevens
                                             'bpm'  142.4
                                    'search_title'  'john':3 'stevens':4 'to':2 'tribute':1
                                   'search_artist'  'asian':1 'dub':2 'foundation':3
                                  'search_release'  'rafi':1 'rafis':3 'revenge':4 's':2
                                     'search_rest'  '12':7,8 'asian':1 'dancehall':14 'dub':2 'foundation':3 'loc':9 'modern':15 'or':12 'rafi':4 'reggae':11 'revenge':6 's':5 'ska':13 'style':10
                                    'search_combo'  '12':18,19 'asian':5B,12 'dancehall':25 'dub':6B,13 'foundation':7B,14 'john':3A 'loc':20 'modern':26 'or':23 'rafi':8C,15 'rafis':10C 'reggae':22 'revenge':11C,17 's':9C,16 'ska':24 'stevens':4A 'style':21 'to':2A 'tribute':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', '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'  1998
                                     'discogstags'  ['electronic', 'leftfield', 'drum n bass', 'jungle']

============================== file details ==============================
                                           'mtime'  1620522957.4992654  (2021-05-09 03:15:57)
                             'size'  5025454