======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '241'
                                          'artist'  'Major Lazer'
                                     'text_people'  ''
                                         'release'  'LAZER STRIKES BACK Vol. 6'
                                           'title'  "Watch Out Fi Ska (Mungo's Hi Fi Remix) "
                                           '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-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'electro', 'electronic', 'dancehall']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '107.7'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000006CB 000005F3 00003625 00002F02 00007214 00007214 00008865 00008C85 '
 '0001037D 00028034')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007B0 0000000000A2A5C0 00000000 00936EDC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'LAZER STRIKES BACK Vol. 6'
'TBPM' (BPM (beats per minute))                     '107.7'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '2014'
'TENC' (Encoded by)                                 'iTunes 11.1.3'
'TIT2' (Title/songname/content description)         "Watch Out Fi Ska (Mungo's Hi Fi Remix) "
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Major Lazer'
'TRCK' (Track number/Position in set)               '9/11'
'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'                                   ['reggae', 'dub', 'electro', 'electronic', 'dancehall']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.95 dB'
'TXXX:replaygain_track_peak'                        '0.647828'

========================== row from database ==========================
                                              'id'  1498517
                                            'path'  /data/Music/Bulk/00localcharacter/Reggae/09 Watch Out Fi Ska (Mungo_s Hi Fi Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  241
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  10423949
                                           'mtime'  1620523563
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Reggae 09 (Mungo_s loc style reggae dub ska dancehall unsorted
                                      'tag_artist'  Major Lazer
                                     'tag_release'  LAZER STRIKES BACK Vol. 6
                                       'tag_title'  Watch Out Fi Ska (Mungo's Hi Fi Remix) 
                                             'bpm'  107.7
                                    'search_title'  'fi':3 'hi':8 'mungo':5 'mungos':7 'out':2 'remix':9,10 's':6 'ska':4 'watch':1
                                   'search_artist'  'lazer':2 'major':1
                                  'search_release'  '6':6 'back':3 'lazer':1 'strikes':2 'vol':4,5
                                     'search_rest'  'dancehall':10 'dub':8 'loc':6 'mungo':2,4 'reggae':1 's':3,5 'ska':9 'style':7 'unsorted':11
                                    'search_combo'  '6':18C 'back':15C 'dancehall':28 'dub':26 'fi':3A 'hi':8A 'lazer':12B,13C 'loc':24 'major':11B 'mungo':5A,20,22 'mungos':7A 'out':2A 'reggae':19 'remix':9A,10A 's':6A,21,23 'ska':4A,27 'strikes':14C 'style':25 'unsorted':29 'vol':16C,17C 'watch':1A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'electro', 'electronic', 'dancehall']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620523563.4825897  (2021-05-09 03:26:03)
                             'size'  10423949