======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '585'
                                          'artist'  'Tim Minchin'
                                     'text_people'  ''
                                         'release'  'Ready For This?'
                                           'title'  'Storm'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'q-bass-4', "
 "'Q-JZFKS-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-GRIT-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '99.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000131 0000014B 00004044 0000387F 0008A8A2 0008A98D 00007FFF 00007C54 '
 '0008A887 0008A98D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AE0 000000000189B790 00000000 00D63801 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Ready For This?'
'TBPM' (BPM (beats per minute))                     '99.7'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'iTunes 12.10.5.12'
'TIT2' (Title/songname/content description)         'Storm'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tim Minchin'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_album_gain'                        '-7.48 dB'
'TXXX:replaygain_album_peak'                        '1.167020'
'TXXX:replaygain_track_gain'                        '+2.28 dB'
'TXXX:replaygain_track_peak'                        '0.997964'

========================== row from database ==========================
                                              'id'  1495817
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Ready For This_/1-12 Storm.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  585
                                           'genre'  ifs-songwriter
                                        'filesize'  14089658
                                           'mtime'  1628356287
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock This_ 1 12 ifs songwriter
                                      'tag_artist'  Tim Minchin
                                     'tag_release'  Ready For This?
                                       'tag_title'  Storm
                                             'bpm'  99.7
                                    'search_title'  'storm':1
                                   'search_artist'  'minchin':2 'tim':1
                                  'search_release'  'for':2 'ready':1 'this':3
                                     'search_rest'  '00poprockelectronic':1 '1':5 'ifs':6 'indierock':3 'poprock':2 'songwriter':7 'this':4
                                    'search_combo'  '00poprockelectronic':7 '1':11 'for':5C 'ifs':12 'indierock':9 'minchin':3B 'poprock':8 'ready':4C 'songwriter':13 'storm':1A 'this':6C,10 'tim':2B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628356287.3874717  (2021-08-07 19:11:27)
                             'size'  14089658