======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '194'
                                          'artist'  'Milton Cross'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '"Night Before Christmas, The"'
                                           '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-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'instrumental', 'noise', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '138.892'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1950 and peaked at # on Various Charts. Label/Number: RCA Victor '
 "WY-20. Best Selling Children's\r\n")
'COMM:ID3v1 Comment:XXX'                            'Debuted 1950 and peaked at #'
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'TBPM' (BPM (beats per minute))                     '138.892'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         '"Night Before Christmas, The"'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Milton Cross'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['guitar', 'instrumental', 'noise', 'experimental', 'ambient']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.97 dB'
'TXXX:replaygain_track_peak'                        '0.685256'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1950_010')

========================== row from database ==========================
                                              'id'  1510841
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1950/ch1950_010 - milton cross - __night before christmas, the__ 160 js (3.15).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  194
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  3897808
                                           'mtime'  1620343029
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1950 ch1950_010 milton cross __night before christmas, the__ 160 js (3.15) prerock unsorted;set th christmas
                                      'tag_artist'  Milton Cross
                                     'tag_release'  None
                                       'tag_title'  "Night Before Christmas, The"
                                             'bpm'  138.892
                                    'search_title'  'before':2 'christmas':3,4 'night':1 'the':5
                                   'search_artist'  'cross':2 'milton':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '010':8 '15':19 '160':16 '1950':6 '3':18 '315':20 'before':12 'ch1950':7 'christmas':13,14 'country':4 'cross':10 'exotica':2 'jazz':1 'js':17 'milton':9 'night':11 'oldies':3 'prerock':21 'set':23,25 'th':26 'the':15 'unsorted':22,24
                                    'search_combo'  '00oldiepop':12 '010':15 '15':26 '160':23 '1950':13 '3':25 '315':27 'before':2A,19 'ch1950':14 'christmas':3A,4A,20,21 'country':11 'cross':7B,17 'exotica':9 'jazz':8 'js':24 'milton':6B,16 'night':1A,18 'oldies':10 'prerock':28 'set':30,32 'th':33 'the':5A,22 'unsorted':29,31
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           '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-1', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['guitar', 'instrumental', 'noise', 'experimental', 'ambient']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343028.6281369  (2021-05-07 01:17:08)
                             'size'  3897808