======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '98'
                                          'artist'  'Matt & Kim'
                                     'text_people'  'indie pop'
                                         'release'  'Grand'
                                           'title'  'I Wanna'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'dance', 'electronic', 'indie rock']"
                                     'discogstags'  "['electronic', 'rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  '?.?'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '103.536'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:thumbnail'                                    type PictureType.COVER_FRONT (Cover (front)) b'thumbnail'
                                     
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'PRIV:WM/WMCollectionID:\x9e8\x8a¨ºûoC«åÃ/e°Ts'     PRIV(owner='WM/WMCollectionID', data=b'\x9e8\x8a\xa8\xba\xfboC\xab\xe5\xc3/e\xb0Ts')
'PRIV:WM/WMContentID:#Èu\x1b!åÛI²¬¡\x9cçÝ\x85D'     PRIV(owner='WM/WMContentID', data=b'#\xc8u\x1b!\xe5\xdbI\xb2\xac\xa1\x9c\xe7\xdd\x85D')
'TALB' (Album/Movie/Show title)                     'Grand'
'TBPM' (BPM (beats per minute))                     '103.536'
'TCOM' (Composer)                                   'indie pop'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'I Wanna'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Matt & Kim'
'TPE2' (Band/orchestra/accompaniment)               'Matt & Kim'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '05/?.?'
'TXXX:PERFORMER'                                    ['synthpop', 'piano rock']
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'dance', 'electronic', 'indie rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.383857'

========================== row from database ==========================
                                              'id'  1266151
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Matt & Kim - 2009 Grand/05 I Wanna.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  98
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  4044679
                                           'mtime'  1621696899
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2009 05 ifs songwriter indie unsorted
                                      'tag_artist'  Matt & Kim
                                     'tag_release'  Grand
                                       'tag_title'  I Wanna
                                             'bpm'  103.536
                                    'search_title'  'i':1 'wanna':2
                                   'search_artist'  'kim':2 'matt':1
                                  'search_release'  'grand':1
                                     'search_rest'  '00singer':1 '2009':4 'eos':3 'ifs':5 'indie':6 'songwriter':2 'unsorted':7
                                    'search_combo'  '00singer':6 '2009':9 'eos':8 'grand':5C 'i':1A 'ifs':10 'indie':11 'kim':4B 'matt':3B 'songwriter':7 'unsorted':12 'wanna':2A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'dance', 'electronic', 'indie rock']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621696899.4931798  (2021-05-22 17:21:39)
                             'size'  4044679