======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '267'
                                          'artist'  'Connie Francis'
                                     'text_people'  ''
                                         'release'  'Kosher Nostra: Jewish Gangsters Greatest Hits'
                                           'title'  'O Mein Papa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '60s', 'female vocalists', 'pop', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '136.459'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Kosher Nostra: Jewish Gangsters Greatest Hits'
'TBPM' (BPM (beats per minute))                     '136.459'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'O Mein Papa'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Connie Francis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Essay Recordings'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', '60s', 'female vocalists', 'pop', '50s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.356567'
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='Http://ice-10.blogspot.com   Http://interlacingshadows.wordpress.com')

========================== row from database ==========================
                                              'id'  1382296
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA - Kosher Nostra - Jewish Gangsters Greatest Hits [2011] (@320)/Connie Francis - O Mein Papa.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  267
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  10813807
                                           'mtime'  1620537035
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA [2011] (@320) prerock jb jazz soft swing
                                      'tag_artist'  Connie Francis
                                     'tag_release'  Kosher Nostra: Jewish Gangsters Greatest Hits
                                       'tag_title'  O Mein Papa
                                             'bpm'  136.459
                                    'search_title'  'mein':2 'o':1 'papa':3
                                   'search_artist'  'connie':1 'francis':2
                                  'search_release'  'gangsters':5 'greatest':6 'hits':7 'jewish':4 'kosher':1 'nostra':2,3
                                     'search_rest'  '2011':6,7 '320':8,9 'country':4 'exotica':2 'jazz':1 'jb':11 'oldies':3 'prerock':10 'soft':12 'swing':13 'va':5
                                    'search_combo'  '2011':18,19 '320':20,21 'connie':4B 'country':16 'exotica':14 'francis':5B 'gangsters':10C 'greatest':11C 'hits':12C 'jazz':13 'jb':23 'jewish':9C 'kosher':6C 'mein':2A 'nostra':7C,8C 'o':1A 'oldies':15 'papa':3A 'prerock':22 'soft':24 'swing':25 'va':17
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['oldies', '60s', 'female vocalists', 'pop', '50s']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537034.9719203  (2021-05-09 07:10:34)
                             'size'  10813807