======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '261'
                                          'artist'  'Porno Graffitti'
                                     'text_people'  ''
                                         'release'  'Yo Bailo'
                                           'title'  'Yo Bailo'
                                           '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-3', 'q-other-3', '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'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock;set-pl-sced'
                                             'bpm'  '125.470'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00001842 000019EE 00009843 0000880C 00035BA5 00035B77 00008000 00008000 '
 '000186A0 00029810')
'TALB' (Album/Movie/Show title)                     'Yo Bailo'
'TBPM' (BPM (beats per minute))                     '125.470'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock', 'set-pl-sced']
'TIT2' (Title/songname/content description)         'Yo Bailo'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Porno Graffitti'
'TRCK' (Track number/Position in set)               '1'
'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'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.325978'

========================== row from database ==========================
                                              'id'  1365060
                                            'path'  /data/Music/Bulk/00poprockelectronic/Porno Graffitti/Yo Bailo/01 Yo Bailo.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  261
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock;set-pl-sced
                                        'filesize'  10461203
                                           'mtime'  1620353792
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 loc asia japan;loc asia japan jrock;set pl sced
                                      'tag_artist'  Porno Graffitti
                                     'tag_release'  Yo Bailo
                                       'tag_title'  Yo Bailo
                                             'bpm'  125.47
                                    'search_title'  'bailo':2 'yo':1
                                   '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':7 'asia':9 'bailo':2A,6C 'graffitti':4B 'japan':10,12,14 'jrock':15,17 'loc':8,11,13 'pl':19 'porno':3B 'sced':20 'set':16,18 'yo':1A,5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j-rock', 'japanese', 'j-pop', 'anime', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620353792.300899  (2021-05-07 04:16:32)
                             'size'  10461203