======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '204'
                                          'artist'  'Glenn Miller & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Complete Glenn Miller, Vols. 1-13'
                                           'title'  'Jingle Bells'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'swing', 'big band', '40s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1941'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '87.219'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['Debuted 1941 and peaked at #5 on Various Charts. Source: Pop Hits. '
 'Label/Number: Bluebird 11353. \r\n',
 'Debuted 1941 and peaked at # on Various Charts. Label/Number: Bluebird '
 '11353. Billboard Pop Charts (1940-1954)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 1941 and peaked at #'
'COMM:MusicMatch_Preference:eng'                    'None'
'TALB' (Album/Movie/Show title)                     'Complete Glenn Miller, Vols. 1-13'
'TBPM' (BPM (beats per minute))                     '87.219'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1941'
'TIT2' (Title/songname/content description)         'Jingle Bells'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '204000'
'TPE1' (Lead performer(s)/Soloist(s))               'Glenn Miller & His Orchestra'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'swing', 'big band', '40s', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.21 dB'
'TXXX:replaygain_track_peak'                        '0.427871'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1941_001')

========================== row from database ==========================
                                              'id'  1446146
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1941/ch1941_001 - glenn miller & his orchestra - jingle bells 128 m (3.24).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  204
                                           'genre'  prerock-swing
                                        'filesize'  3274752
                                           'mtime'  1620561739
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1941 ch1941_001 glenn miller his orchestra jingle bells 128 (3.24) prerock swing
                                      'tag_artist'  Glenn Miller & His Orchestra
                                     'tag_release'  Complete Glenn Miller, Vols. 1-13
                                       'tag_title'  Jingle Bells
                                             'bpm'  87.219
                                    'search_title'  'bells':2 'jingle':1
                                   'search_artist'  'glenn':1 'his':3 'miller':2 'orchestra':4
                                  'search_release'  '1':7 '113':9 '13':8 'complete':1 'glenn':2 'miller':3,4 'vols':5,6
                                     'search_rest'  '001':8 '00oldiepop':5 '128':15 '1941':6 '24':17 '3':16 '324':18 'bells':14 'ch1941':7 'country':4 'exotica':2 'glenn':9 'his':11 'jazz':1 'jingle':13 'miller':10 'oldies':3 'orchestra':12 'prerock':19 'swing':20
                                    'search_combo'  '001':23 '00oldiepop':20 '1':13C '113':15C '128':30 '13':14C '1941':21 '24':32 '3':31 '324':33 'bells':2A,29 'ch1941':22 'complete':7C 'country':19 'exotica':17 'glenn':3B,8C,24 'his':5B,26 'jazz':16 'jingle':1A,28 'miller':4B,9C,10C,25 'oldies':18 'orchestra':6B,27 'prerock':34 'swing':35 'vols':11C,12C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'swing', 'big band', '40s', 'oldies']
                                        'tag_date'  1941
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561739.4479578  (2021-05-09 14:02:19)
                             'size'  3274752