======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '190'
                                          'artist'  'Two Ton Baker'
                                     'text_people'  ''
                                         'release'  'Christmas Party'
                                           'title'  'Christmas Party'
                                           'quals'  ("['Q-JZFKS-1', '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']")
                                     'discogstags'  '[\'story\', \'vocal\', \'novelty\', \'pop\', "children\'s"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '88.168'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['© 2005, Kiddie Records Weekly (http://www.kiddierecords.com)\r\n'
 'UbuWeb / PennSound (http://www.writing.upenn.edu/pennsound/)\r\n'
 'All materials at UbuWeb / PennSound are available for free exchange for '
 'noncommercial purposes.',
 'Debuted 1949 and peaked at # on Various Charts. Label/Number: Mercury MMP-5. '
 "Best Selling Children's\r\n"]
'COMM:ID3v1 Comment:XXX'                            ') 2005, Kiddie Records Weekl'
'TALB' (Album/Movie/Show title)                     'Christmas Party'
'TBPM' (BPM (beats per minute))                     '88.168'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         'Christmas Party'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '"""Two Ton"" Baker the Merry Music Maker"'
'TPE2' (Band/orchestra/accompaniment)               'Two Ton Baker'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['story', 'vocal', 'novelty', 'pop', "children's"]
'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'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.918951'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1949_025')

========================== row from database ==========================
                                              'id'  1500113
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/ch1949_025c - _two ton_ baker the merry music maker - christmas party - up on the house top-deck the halls 128 m (3.11).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  190
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  3123072
                                           'mtime'  1620343025
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 ch1949_025c _two ton_ baker the merry music maker christmas party up the house top deck the halls 128 (3.11) prerock unsorted;set th christmas
                                      'tag_artist'  Two Ton Baker
                                     'tag_release'  Christmas Party
                                       'tag_title'  Christmas Party
                                             'bpm'  88.168
                                    'search_title'  'christmas':1 'party':2
                                   'search_artist'  'baker':3 'ton':2 'two':1
                                  'search_release'  'christmas':1 'party':2
                                     'search_rest'  '00oldiepop':5 '025c':8 '11':25 '128':23 '1949':6 '3':24 '311':26 'baker':11 'ch1949':7 'christmas':16 'country':4 'deck':21 'exotica':2 'halls':22 'house':19 'jazz':1 'maker':15 'merry':13 'music':14 'oldies':3 'party':17 'prerock':27 'set':29,31 'th':32 'the':12 'ton':10 'top':20 'two':9 'unsorted':28,30 'up':18
                                    'search_combo'  '00oldiepop':12 '025c':15 '11':32 '128':30 '1949':13 '3':31 '311':33 'baker':5B,18 'ch1949':14 'christmas':1A,6C,23 'country':11 'deck':28 'exotica':9 'halls':29 'house':26 'jazz':8 'maker':22 'merry':20 'music':21 'oldies':10 'party':2A,7C,24 'prerock':34 'set':36,38 'th':39 'the':19 'ton':4B,17 'top':27 'two':3B,16 'unsorted':35,37 'up':25
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1949
                                     'discogstags'  ['story', 'vocal', 'novelty', 'pop', "children's"]

============================== file details ==============================
                                           'mtime'  1620343024.9441693  (2021-05-07 01:17:04)
                             'size'  3123072