======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '172'
                                          'artist'  'Keynotes with Primo Scala & His Banjo & Accordian Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Jingle Bells'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1948'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '96.714'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1948 and peaked at # on Various Charts. Label/Number: London 302. '
 'Billboard Pop Charts (1940-1954)\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1948 and peaked at #'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '96.714'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1948'
'TIT2' (Title/songname/content description)         'Jingle Bells'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Keynotes with Primo Scala & His Banjo & Accordian Orchestra'
'TXXX:Engineer'                                     'SIMON WHITEHEAD'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.499755'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1948_013')

========================== row from database ==========================
                                              'id'  1434767
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1948/ch1948_013 - keynotes with primo scala & his banjo & accordian orchestra - jingle bells 192 s (2.52).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  172
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  4130688
                                           'mtime'  1620343021
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1948 ch1948_013 keynotes primo scala his banjo accordian orchestra jingle bells 192 (2.52) prerock unsorted;set christmas
                                      'tag_artist'  Keynotes with Primo Scala & His Banjo & Accordian Orchestra
                                     'tag_release'  None
                                       'tag_title'  Jingle Bells
                                             'bpm'  96.714
                                    'search_title'  'bells':2 'jingle':1
                                   'search_artist'  'accordian':7 'banjo':6 'his':5 'keynotes':1 'orchestra':8 'primo':3 'scala':4 'with':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '013':8 '192':18 '1948':6 '2':19 '252':21 '52':20 'accordian':14 'banjo':13 'bells':17 'ch1948':7 'christmas':27 'country':4 'exotica':2 'his':12 'jazz':1 'jingle':16 'keynotes':9 'oldies':3 'orchestra':15 'prerock':22 'primo':10 'scala':11 'set':24,26 'unsorted':23,25
                                    'search_combo'  '00oldiepop':15 '013':18 '192':28 '1948':16 '2':29 '252':31 '52':30 'accordian':9B,24 'banjo':8B,23 'bells':2A,27 'ch1948':17 'christmas':37 'country':14 'exotica':12 'his':7B,22 'jazz':11 'jingle':1A,26 'keynotes':3B,19 'oldies':13 'orchestra':10B,25 'prerock':32 'primo':5B,20 'scala':6B,21 'set':34,36 'unsorted':33,35 'with':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1948
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343021.4517803  (2021-05-07 01:17:01)
                             'size'  4130688