======================== unified (from filesystem) ========================
                                         'bitrate'  '178.762'
                                        'duration'  '186'
                                          'artist'  'The Look'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'I am the beat'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['japanese', '80s', 'pop', 'new wave', 'detroit rock']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '84.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '84.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'I am the beat'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Look'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEBoW3LljealL0fhGFYL1FOlbWBBYJD6ESa7UXpkNcFrMklheTw97wi7EbkIaukgPSAAeuUkLEC0MN+gAG5iffU97yoSb788TiTk500l8KvCoJ7FCVC9Ic1gfyEhN9kmGI/spGnBEOssYae6aqxSchM1N+5HoJlhUTwWJK0A3/IM4IMu8DyZPmArMvH58BshO0='
'TXXX:MusicMagic Fingerprint'                       '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'
'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'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['japanese', '80s', 'pop', 'new wave', 'detroit rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.595891'

========================== row from database ==========================
                                              'id'  1531416
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/I am the beat.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  186
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4183025
                                           'mtime'  1628353614
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of 80_s electronic generic or radio unsorted
                                      'tag_artist'  The Look
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  I am the beat
                                             'bpm'  84.7
                                    'search_title'  'am':2 'beat':4 'i':1 'the':3
                                   'search_artist'  'look':2 'the':1
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':3 'electronic':5 'generic':6 'of':2 'or':7 'radio':8 's':4 'unsorted':9
                                    'search_combo'  '00poprockelectronic':11 '80':13 '80s':10C 'am':2A 'beat':4A 'electronic':15 'generic':16 'hits':7C 'i':1A 'look':6B 'of':8C,12 'or':17 'radio':18 's':14 'the':3A,5B,9C 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['japanese', '80s', 'pop', 'new wave', 'detroit rock']
                                        'tag_date'  1985
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1628353613.8227763  (2021-08-07 18:26:53)
                             'size'  4183025