======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '209'
                                          'artist'  'Laden'
                                     'text_people'  ''
                                         'release'  'RubaDub Blends'
                                           'title'  'Gal Professional (Max RubaDub Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dancehall', 'reggae', 'dancehall reggae', 'electronic', 'di genius']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '92.9'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000CC1 00000FC3 00009013 00009549 0001E51A 000077B1 00008A19 00008EB1 '
 '0001CAAC 00012458')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009C3 00000000008D16AD 00000000 007FE2C7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'RubaDub Blends'
'TBPM' (BPM (beats per minute))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'iTunes 11.0.2'
'TIT2' (Title/songname/content description)         'Gal Professional (Max RubaDub Remix)'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Laden'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['dancehall', 'reggae', 'dancehall reggae', 'electronic', 'di genius']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.74 dB'
'TXXX:replaygain_track_peak'                        '0.394249'

========================== row from database ==========================
                                              'id'  1327455
                                            'path'  /data/Music/Bulk/00localcharacter/Reggae/Gal Professional (Max RubaDub Remix) - Laden.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  209
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  9689627
                                           'mtime'  1636300888
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Reggae loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  Laden
                                     'tag_release'  RubaDub Blends
                                       'tag_title'  Gal Professional (Max RubaDub Remix)
                                             'bpm'  92.9
                                    'search_title'  'dub':9 'gal':1 'max':3,4 'professional':2 'remix':6,7 'ruba':8 'rubadub':5
                                   'search_artist'  'laden':1
                                  'search_release'  'blends':2 'dub':4 'ruba':3 'rubadub':1
                                     'search_rest'  'dancehall':7 'dub':5 'loc':2 'or':4 'reggae':1 'ska':6 'style':3 'unsorted':8
                                    'search_combo'  'blends':12C 'dancehall':21 'dub':9A,14C,19 'gal':1A 'laden':10B 'loc':16 'max':3A,4A 'or':18 'professional':2A 'reggae':15 'remix':6A,7A 'ruba':8A,13C 'rubadub':5A,11C 'ska':20 'style':17 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dancehall', 'reggae', 'dancehall reggae', 'electronic', 'di genius']
                                        'tag_date'  2013
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1636300887.765922  (2021-11-07 17:01:27)
                             'size'  9689627