======================== unified (from filesystem) ========================
                                         'bitrate'  '168.601'
                                        'duration'  '131'
                                          'artist'  'King Tubby'
                                     'text_people'  ''
                                         'release'  'Dub From The Roots'
                                           'title'  'East Of (Arrow Hi Fi)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'experimental', 'dub reggae', 'jamaica']"
                                     'discogstags'  "['reggae', 'dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '130.063'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dub From The Roots'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         'East Of (Arrow Hi Fi)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'King Tubby'
'TRCK' (Track number/Position in set)               '07'
'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'                                  ['reggae', 'dub']
'TXXX:lastfmtags'                                   ['reggae', 'dub', 'experimental', 'dub reggae', 'jamaica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.682461'

========================== row from database ==========================
                                              'id'  1275344
                                            'path'  /data/Music/Bulk/00localcharacter/King Tubby/Dub From The Roots/King Tubby - Dub From The Roots - 07 - East Of (Arrow Hi Fi).mp3
                                         'working'  None
                                         'bitrate'  168
                                    'duration_sec'  131
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  2781184
                                           'mtime'  1620523360
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 07 loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  King Tubby
                                     'tag_release'  Dub From The Roots
                                       'tag_title'  East Of (Arrow Hi Fi)
                                             'bpm'  130.063
                                    'search_title'  'arrow':3,4 'east':1 'fi':6,7 'hi':5 'of':2
                                   'search_artist'  'king':1 'tubby':2
                                  'search_release'  'dub':1 'from':2 'roots':4 'the':3
                                     'search_rest'  'and':9 'dancehall':7 'dub':5 'loc':1 'or':4 'reggae':3 'roots':8 'ska':6 'style':2
                                    'search_combo'  'and':22 'arrow':3A,4A 'dancehall':20 'dub':10C,18 'east':1A 'fi':6A,7A 'from':11C 'hi':5A 'king':8B 'loc':14 'of':2A 'or':17 'reggae':16 'roots':13C,21 'ska':19 'style':15 'the':12C 'tubby':9B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'experimental', 'dub reggae', 'jamaica']
                                        'tag_date'  1974
                                     'discogstags'  ['reggae', 'dub']

============================== file details ==============================
                                           'mtime'  1620523360.2747006  (2021-05-09 03:22:40)
                             'size'  2781184