======================== unified (from filesystem) ========================
                                         'bitrate'  '260.004'
                                        'duration'  '253'
                                          'artist'  'Rihanna'
                                     'text_people'  'Rihanna'
                                         'release'  'Anti'
                                           'title'  'Kiss It Better'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'rnb', 'female vocalists', 'hip hop', 'pop']"
                                     'discogstags'  "['trap', 'contemporary r&b', 'hip hop', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '27'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance;hip hop or rnb or rap or turntablism'
                                             'bpm'  '95.124'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Anti'
'TBPM' (BPM (beats per minute))                     '95.124'
'TCOM' (Composer)                                   'Rihanna'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-dance', 'hip hop or rnb or rap or turntablism']
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Kiss It Better'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rihanna'
'TPE2' (Band/orchestra/accompaniment)               'Rihanna'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '08/27'
'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:discogstags'                                  ['trap', 'contemporary r&b', 'hip hop', 'pop']
'TXXX:lastfmtags'                                   ['dance', 'rnb', 'female vocalists', 'hip hop', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.380089'

========================== row from database ==========================
                                              'id'  1339457
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Rihanna - Kiss It Better.mp3
                                         'working'  None
                                         'bitrate'  260
                                    'duration_sec'  253
                                           'genre'  electronic-generic or radio-dance;hip hop or rnb or rap or turntablism
                                        'filesize'  11092130
                                           'mtime'  1620566310
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 electronic generic or radio dance;hip hop or rnb or rap or turntablism
                                      'tag_artist'  Rihanna
                                     'tag_release'  Anti
                                       'tag_title'  Kiss It Better
                                             'bpm'  95.124
                                    'search_title'  'better':3 'it':2 'kiss':1
                                   'search_artist'  'rihanna':1
                                  'search_release'  'anti':1
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'dance':7,9 'electronic':3 'generic':4 'hip':8,10 'hop':11 'or':5 'radio':6 'rap':13 'rnb':12 'turntablism':14
                                    'search_combo'  '00poprockelectronic':6 '2016':7 'anti':5C 'better':3A 'dance':12,14 'electronic':8 'generic':9 'hip':13,15 'hop':16 'it':2A 'kiss':1A 'or':10 'radio':11 'rap':18 'rihanna':4B 'rnb':17 'turntablism':19
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rnb', 'female vocalists', 'hip hop', 'pop']
                                        'tag_date'  2016
                                     'discogstags'  ['trap', 'contemporary r&b', 'hip hop', 'pop']

============================== file details ==============================
                                           'mtime'  1620566310.3673015  (2021-05-09 15:18:30)
                             'size'  11092130