======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '182'
                                          'artist'  'Lady Gaga'
                                     'text_people'  'Stefani Germanotta, Mark Ronson, Kevin Parker & Michael Tucker'
                                         'release'  'Joanne'
                                           'title'  'Perfect Illusion'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', '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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'female vocalists', 'female vocalist', 'electronic', 'pop']"
                                     'discogstags'  ("['country rock', 'pop rock', 'acoustic', 'ballad', 'electronic', 'rock', "
 "'pop']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.006'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:'                                             POPM(email='', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Joanne'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCOM' (Composer)                                   'Stefani Germanotta, Mark Ronson, Kevin Parker & Michael Tucker'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          '℗ 2016 Interscope Records'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Perfect Illusion'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lady Gaga'
'TPE2' (Band/orchestra/accompaniment)               'Lady Gaga'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '1'
'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'                                  ['country rock', 'pop rock', 'acoustic', 'ballad', 'electronic', 'rock', 'pop']
'TXXX:lastfmtags'                                   ['dance', 'female vocalists', 'female vocalist', 'electronic', 'pop']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.423841'

========================== row from database ==========================
                                              'id'  1300698
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Lady Gaga - Perfect Illusion.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  182
                                           'genre'  electronic-unsorted
                                        'filesize'  7393645
                                           'mtime'  1621696004
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 electronic unsorted
                                      'tag_artist'  Lady Gaga
                                     'tag_release'  Joanne
                                       'tag_title'  Perfect Illusion
                                             'bpm'  125.006
                                    'search_title'  'illusion':2 'perfect':1
                                   'search_artist'  'gaga':2 'lady':1
                                  'search_release'  'joanne':1
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'electronic':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':6 '2016':7 'electronic':8 'gaga':4B 'illusion':2A 'joanne':5C 'lady':3B 'perfect':1A 'unsorted':9
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'female vocalists', 'female vocalist', 'electronic', 'pop']
                                        'tag_date'  2016
                                     'discogstags'  ['country rock', 'pop rock', 'acoustic', 'ballad', 'electronic', 'rock', 'pop']

============================== file details ==============================
                                           'mtime'  1621696003.919029  (2021-05-22 17:06:43)
                             'size'  7393645