======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '211'
                                          'artist'  "King Tubby's"
                                     'text_people'  ''
                                         'release'  "King Tubby's meets Scientist at Dub Station"
                                           'title'  'Level Dub (Never Let You Go)'
                                           '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-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dub', 'reggae', 'dub reggae', 'jamaica', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '142.910'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'B80C440E'
'COMM:ID3v1 Comment:XXX'                            'B80C440E'
'TALB' (Album/Movie/Show title)                     "King Tubby's meets Scientist at Dub Station"
'TBPM' (BPM (beats per minute))                     '142.910'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TIT2' (Title/songname/content description)         'Level Dub (Never Let You Go)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "King Tubby's"
'TRCK' (Track number/Position in set)               '13'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, 192 Kbit/s, Stereo, High quality'
'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:lastfmtags'                                   ['dub', 'reggae', 'dub reggae', 'jamaica', 'experimental']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.767554'

========================== row from database ==========================
                                              'id'  1506129
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/King Tubby/king tubby_s - king tubby_s meets scientist at dub station - 13 - level dub (never let you go).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  211
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  5076906
                                           'mtime'  1620521717
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub king tubby_s king tubby_s scientist dub station 13 level dub (never let you go) loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  King Tubby's
                                     'tag_release'  King Tubby's meets Scientist at Dub Station
                                       'tag_title'  Level Dub (Never Let You Go)
                                             'bpm'  142.91
                                    'search_title'  'dub':2 'go':7,8 'let':5 'level':1 'never':3,4 'you':6
                                   'search_artist'  'king':1 's':3 'tubby':2 'tubbys':4
                                  'search_release'  'at':7 'dub':8 'king':1 'meets':5 's':3 'scientist':6 'station':9 'tubby':2 'tubbys':4
                                     'search_rest'  '00reggae':1 'and':22 'dancehall':20 'dub':2 'go':13,14 'king':3 'let':11 'level':8 'loc':15 'never':9,10 'or':18 'reggae':17 'roots':21 's':5 'scientist':6 'ska':19 'station':7 'style':16 'tubby':4 'you':12
                                    'search_combo'  '00reggae':22 'and':43 'at':19C 'dancehall':41 'dub':2A,20C,23 'go':7A,8A,34,35 'king':9B,13C,24 'let':5A,32 'level':1A,29 'loc':36 'meets':17C 'never':3A,4A,30,31 'or':39 'reggae':38 'roots':42 's':11B,15C,26 'scientist':18C,27 'ska':40 'station':21C,28 'style':37 'tubby':10B,14C,25 'tubbys':12B,16C 'you':6A,33
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  1A
                                           '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dub', 'reggae', 'dub reggae', 'jamaica', 'experimental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521716.8303003  (2021-05-09 02:55:16)
                             'size'  5076906