======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '295'
                                          'artist'  'Porno Graffitti'
                                     'text_people'  ''
                                         'release'  'Yo Bailo'
                                           'title'  'Free and Freedom'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['j-rock', 'japanese', 'j-pop', 'anime', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock;set-pl-sced'
                                             'bpm'  '118.915'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000A55 000009BD 000037E6 0000256E 000186E5 000186E5 00007DE4 00007F80 '
 '00002755 0003A9C5')
'TALB' (Album/Movie/Show title)                     'Yo Bailo'
'TBPM' (BPM (beats per minute))                     '118.915'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock', 'set-pl-sced']
'TIT2' (Title/songname/content description)         'Free and Freedom'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Porno Graffitti'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['j-rock', 'japanese', 'j-pop', 'anime', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.52 dB'
'TXXX:replaygain_track_peak'                        '0.517000'

========================== row from database ==========================
                                              'id'  1378405
                                            'path'  /data/Music/Bulk/00poprockelectronic/Porno Graffitti/Yo Bailo/03 Free and Freedom.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  295
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock;set-pl-sced
                                        'filesize'  11823104
                                           'mtime'  1620353793
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 loc asia japan;loc asia japan jrock;set pl sced
                                      'tag_artist'  Porno Graffitti
                                     'tag_release'  Yo Bailo
                                       'tag_title'  Free and Freedom
                                             'bpm'  118.915
                                    'search_title'  'and':2 'free':1 'freedom':3
                                   'search_artist'  'graffitti':2 'porno':1
                                  'search_release'  'bailo':2 'yo':1
                                     'search_rest'  '00poprockelectronic':1 'asia':3 'japan':4,6,8 'jrock':9,11 'loc':2,5,7 'pl':13 'sced':14 'set':10,12
                                    'search_combo'  '00poprockelectronic':8 'and':2A 'asia':10 'bailo':7C 'free':1A 'freedom':3A 'graffitti':5B 'japan':11,13,15 'jrock':16,18 'loc':9,12,14 'pl':20 'porno':4B 'sced':21 'set':17,19 'yo':6C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j-rock', 'japanese', 'j-pop', 'anime', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620353792.57891  (2021-05-07 04:16:32)
                             'size'  11823104