======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '269'
                                          'artist'  'The Weeknd'
                                     'text_people'  ''
                                         'release'  'Starboy'
                                           'title'  'I Feel It Coming'
                                           'quals'  ("['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-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'dubstep', 'electronic', 'prog rnb', 'canadian']"
                                     'discogstags'  "['contemporary r&b', 'electronic', 'hip hop', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '92.985'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Starboy'
'TBPM' (BPM (beats per minute))                     '92.985'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'I Feel It Coming'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Weeknd feat. Daft Punk'
'TPE2' (Band/orchestra/accompaniment)               'The Weeknd'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['contemporary r&b', 'electronic', 'hip hop', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['rnb', 'dubstep', 'electronic', 'prog rnb', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '-1.62 dB'
'TXXX:replaygain_track_peak'                        '0.397573'

========================== row from database ==========================
                                              'id'  1331962
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/The Weeknd feat. Daft Punk - I Feel It Coming.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  269
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9895936
                                           'mtime'  1620566352
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 feat. Daft Punk electronic generic or radio dance
                                      'tag_artist'  The Weeknd
                                     'tag_release'  Starboy
                                       'tag_title'  I Feel It Coming
                                             'bpm'  92.985
                                    'search_title'  'coming':4 'feel':2 'i':1 'it':3
                                   'search_artist'  'the':1 'weeknd':2
                                  'search_release'  'starboy':1
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'daft':5 'dance':11 'electronic':7 'feat':3,4 'generic':8 'or':9 'punk':6 'radio':10
                                    'search_combo'  '00poprockelectronic':8 '2016':9 'coming':4A 'daft':12 'dance':18 'electronic':14 'feat':10,11 'feel':2A 'generic':15 'i':1A 'it':3A 'or':16 'punk':13 'radio':17 'starboy':7C 'the':5B 'weeknd':6B
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  6A
                                           '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-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'dubstep', 'electronic', 'prog rnb', 'canadian']
                                        'tag_date'  2016
                                     'discogstags'  ['contemporary r&b', 'electronic', 'hip hop', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1620566352.2923641  (2021-05-09 15:19:12)
                             'size'  9895936