======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '170'
                                          'artist'  'King Tubby'
                                     'text_people'  ''
                                         'release'  'Dangerous Dub'
                                           'title'  "King Tubby's Hi-Fi Dub"
                                           '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-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'experimental', 'dub reggae', 'jamaica']"
                                     'discogstags'  "['reggae', 'dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '144.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dangerous Dub'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "King Tubby's Hi-Fi Dub"
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '170396'
'TPE1' (Lead performer(s)/Soloist(s))               'King Tubby'
'TPE2' (Band/orchestra/accompaniment)               'King Tubby'
'TRCK' (Track number/Position in set)               '12'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.22 dB'
'TXXX:replaygain_track_peak'                        '0.594747'

========================== row from database ==========================
                                              'id'  1522006
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/King Tubby/King Tubby meets Roots Radics - Dangerous Dub/King Tubby - Dangerous Dub - 12 - King Tubby_s Hi-Fi Dub.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  170
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  4091570
                                           'mtime'  1620521697
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub meets Roots Radics 12 Tubby_s loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  King Tubby
                                     'tag_release'  Dangerous Dub
                                       'tag_title'  King Tubby's Hi-Fi Dub
                                             'bpm'  144.6
                                    'search_title'  'dub':8 'fi':6 'hi':5 'hifi':7 'king':1 's':3 'tubby':2 'tubbys':4
                                   'search_artist'  'king':1 'tubby':2
                                  'search_release'  'dangerous':1 'dub':2
                                     'search_rest'  '00reggae':1 'and':14 'dancehall':13 'dub':2 'loc':8 'meets':3 'or':11 'radics':5 'reggae':10 'roots':4 's':7 'ska':12 'style':9 'tubby':6
                                    'search_combo'  '00reggae':13 'and':26 'dancehall':25 'dangerous':11C 'dub':8A,12C,14 'fi':6A 'hi':5A 'hifi':7A 'king':1A,9B 'loc':20 'meets':15 'or':23 'radics':17 'reggae':22 'roots':16 's':3A,19 'ska':24 'style':21 'tubby':2A,10B,18 'tubbys':4A
                                    '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-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'  2001
                                     'discogstags'  ['reggae', 'dub']

============================== file details ==============================
                                           'mtime'  1620521697.4163136  (2021-05-09 02:54:57)
                             'size'  4091570