======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '281'
                                          'artist'  'Foster The People'
                                     'text_people'  ''
                                         'release'  'Pumped Up Kicks Remixes'
                                           'title'  'Pumped Up Kicks (The Knocks Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'american', 'indie rock']"
                                     'discogstags'  "['electronic', 'rock', 'pop', 'synth-pop', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '128'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000613 00000590 00003303 00002772 00037F4E 0003931A 000088B5 0000881D '
 '00019DAC 0003B0B1')
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Pumped Up Kicks Remixes'
'TBPM' (BPM (beats per minute))                     '128'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes v4.7.1'
'TIT2' (Title/songname/content description)         'Pumped Up Kicks (The Knocks Remix)'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Foster The People'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'pop', 'synth-pop', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'american', 'indie rock']
'TXXX:original release date'                        ['2011', '2011']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+4.00 dB'
'TXXX:replaygain_track_peak'                        '0.374971'

========================== row from database ==========================
                                              'id'  1286752
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Pumped Up Kicks (The Knocks Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  281
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  11476992
                                           'mtime'  1637330417
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] ifs songwriter indie rock
                                      'tag_artist'  Foster The People
                                     'tag_release'  Pumped Up Kicks Remixes
                                       'tag_title'  Pumped Up Kicks (The Knocks Remix)
                                             'bpm'  128.0
                                    'search_title'  'kicks':3 'knocks':6 'pumped':1 'remix':7,8 'the':4,5 'up':2
                                   'search_artist'  'foster':1 'people':3 'the':2
                                  'search_release'  'kicks':3 'pumped':1 'remixes':4 'up':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'ifs':7 'indie':9 'loose':3,4 'rock':10 'songwriter':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 'files':20,21 'foster':9B 'ifs':22 'indie':24 'kicks':3A,14C 'knocks':6A 'loose':18,19 'people':11B 'pumped':1A,12C 'remix':7A,8A 'remixes':15C 'rock':25 'songwriter':23 'the':4A,5A,10B 'unsorted':17 'up':2A,13C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'american', 'indie rock']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'rock', 'pop', 'synth-pop', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330416.7512128  (2021-11-19 15:00:16)
                             'size'  11476992