======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '279'
                                          'artist'  'King Tubby'
                                     'text_people'  ''
                                         'release'  'shining dub'
                                           'title'  'conqueror'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'experimental', 'dub reggae', 'jamaica']"
                                     'discogstags'  "['reggae', 'dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '125.006'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'shining dub'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'conqueror'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'King Tubby'
'TRCK' (Track number/Position in set)               '6'
'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'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.828673'

========================== row from database ==========================
                                              'id'  1368870
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/King Tubby/King Tubby - shining dub/King Tubby - shining dub - 06 - conqueror.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  279
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  6712762
                                           'mtime'  1620521680
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae 06 loc style reggae ska dancehall roots and reggae
                                      'tag_artist'  King Tubby
                                     'tag_release'  shining dub
                                       'tag_title'  conqueror
                                             'bpm'  125.006
                                    'search_title'  'conqueror':1
                                   'search_artist'  'king':1 'tubby':2
                                  'search_release'  'dub':2 'shining':1
                                     'search_rest'  '00reggae':1 'and':8 'dancehall':6 'loc':2 'reggae':4 'roots':7 'ska':5 'style':3
                                    'search_combo'  '00reggae':6 'and':13 'conqueror':1A 'dancehall':11 'dub':5C 'king':2B 'loc':7 'reggae':9 'roots':12 'shining':4C 'ska':10 'style':8 'tubby':3B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'experimental', 'dub reggae', 'jamaica']
                                        'tag_date'  1992
                                     'discogstags'  ['reggae', 'dub']

============================== file details ==============================
                                           'mtime'  1620521680.149312  (2021-05-09 02:54:40)
                             'size'  6712762