======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '139'
                                          'artist'  'Dinah Shore & Buddy Clark'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '"Baby, It\'s Cold Outside"'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', '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-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'pop', 'swing', 'american', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '142.608'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['Debuted 5/7/1949 and peaked at #4 on Various Charts. Source: Pop Hits\r\n'
 '\r\n'
 'Columbia 38463',
 'Debuted 1949 and peaked at # on Various Charts. Label/Number: Columbia '
 '38463. Billboard Pop Charts (1940-1954)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 5/7/1949 and peaked at'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         '"Baby, It\'s Cold Outside"'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dinah Shore & Buddy Clark'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'pop', 'swing', 'american', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+2.10 dB'
'TXXX:replaygain_track_peak'                        '0.510552'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1949_006')

========================== row from database ==========================
                                              'id'  1514437
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/ch1949_006 - dinah shore & buddy clark - __baby, it_s cold outside__ 80 m (2.20).mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  139
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  1396736
                                           'mtime'  1620343023
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 ch1949_006 dinah shore buddy clark __baby, it_s cold outside__ 80 m (2.20) prerock unsorted;set th christmas
                                      'tag_artist'  Dinah Shore & Buddy Clark
                                     'tag_release'  None
                                       'tag_title'  "Baby, It's Cold Outside"
                                             'bpm'  142.608
                                    'search_title'  'baby':1,2 'cold':6 'it':3 'its':5 'outside':7 's':4
                                   'search_artist'  'buddy':3 'clark':4 'dinah':1 'shore':2
                                  'search_release'  
                                     'search_rest'  '006':8 '00oldiepop':5 '1949':6 '2':21 '20':22 '220':23 '80':19 'baby':13,14 'buddy':11 'ch1949':7 'christmas':30 'clark':12 'cold':17 'country':4 'dinah':9 'exotica':2 'it':15 'jazz':1 'm':20 'oldies':3 'outside':18 'prerock':24 's':16 'set':26,28 'shore':10 'th':29 'unsorted':25,27
                                    'search_combo'  '006':19 '00oldiepop':16 '1949':17 '2':32 '20':33 '220':34 '80':30 'baby':1A,2A,24,25 'buddy':10B,22 'ch1949':18 'christmas':41 'clark':11B,23 'cold':6A,28 'country':15 'dinah':8B,20 'exotica':13 'it':3A,26 'its':5A 'jazz':12 'm':31 'oldies':14 'outside':7A,29 'prerock':35 's':4A,27 'set':37,39 'shore':9B,21 'th':40 'unsorted':36,38
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'pop', 'swing', 'american', 'oldies']
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343023.3138945  (2021-05-07 01:17:03)
                             'size'  1396736