======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '192'
                                          'artist'  'Shigeto'
                                     'text_people'  ''
                                         'release'  'Full Circle: Remixes'
                                           'title'  'Children At Midnight (Beautiful Bells Grade School Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['glitch', 'glitch hop', 'idm', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '5'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '94.991'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000C86 00000CE6 0000540C 00005433 00025E87 00025E87 00007BA9 00007BA9 '
 '00003458 00002F72')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 0000000000813300 00000000 00751783 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Full Circle: Remixes'
'TBPM' (BPM (beats per minute))                     '94.991'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 10.0'
'TIT2' (Title/songname/content description)         'Children At Midnight (Beautiful Bells Grade School Remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shigeto'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['glitch', 'glitch hop', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.55 dB'
'TXXX:replaygain_track_peak'                        '0.353195'

========================== row from database ==========================
                                              'id'  1376892
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Shigeto/Shigeto - Full Circle Remixes/04 Children At Midnight (Beautiful Bells Grade School Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  192
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  8477045
                                           'mtime'  1620564241
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 04 electronic generic or radio beats
                                      'tag_artist'  Shigeto
                                     'tag_release'  Full Circle: Remixes
                                       'tag_title'  Children At Midnight (Beautiful Bells Grade School Remix)
                                             'bpm'  94.991
                                    'search_title'  'at':2 'beautiful':4,5 'bells':6 'children':1 'grade':7 'midnight':3 'remix':9,10 'school':8
                                   'search_artist'  'shigeto':1
                                  'search_release'  'circle':2,3 'full':1 'remixes':4
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':6 'generic':7 'harder':4 'house':3 'or':8 'radio':9
                                    'search_combo'  '00poprockelectronic':16 '00techno':17 'at':2A 'beats':20 'beautiful':4A,5A 'bells':6A 'children':1A 'circle':13C,14C 'electronic':21 'full':12C 'generic':22 'grade':7A 'harder':19 'house':18 'midnight':3A 'or':23 'radio':24 'remix':9A,10A 'remixes':15C 'school':8A 'shigeto':11B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'glitch hop', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620564241.1632009  (2021-05-09 14:44:01)
                             'size'  8477045