======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '185'
                                          'artist'  'Vaughn Monroe & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Let It Snow! Let It Snow! Let It Snow!'
                                           'quals'  ("['Q-HAP-3', '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cowboy ballad', 'swing', 'christmas', 'oldies', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1946'
                                        'comments'  ''
                                           'genre'  'prerock-swing;set-th-christmas'
                                             'bpm'  '116.453'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['Debuted 12/22/45+ and peaked at #1 on Various Charts. Source: Pop Hits',
 'Debuted 1946 and peaked at # on Various Charts. Label/Number: Victor '
 '20-1759. Billboard Pop Charts (1940-1954)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 12/22/45+ and peaked'
'COMM:MusicMatch_Preference:eng'                    'None'
'TBPM' (BPM (beats per minute))                     '116.453'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-swing', 'set-th-christmas']
'TDRC' (Recording time)                             '1946'
'TIT2' (Title/songname/content description)         'Let It Snow! Let It Snow! Let It Snow!'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '185000'
'TPE1' (Lead performer(s)/Soloist(s))               'Vaughn Monroe & His Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cowboy ballad', 'swing', 'christmas', 'oldies', 'easy listening']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.528411'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1946_001')

========================== row from database ==========================
                                              'id'  1452632
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1946/ch1946_001 - vaughn monroe & his orchestra - let it snow! let it snow! let it snow! 80 m (3.05).mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  185
                                           'genre'  prerock-swing;set-th-christmas
                                        'filesize'  1857408
                                           'mtime'  1674646561
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1946 ch1946_001 vaughn monroe his orchestra let it snow! let it snow! let it snow! 80 m (3.05) prerock swing;set th christmas
                                      'tag_artist'  Vaughn Monroe & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  Let It Snow! Let It Snow! Let It Snow!
                                             'bpm'  116.453
                                    'search_title'  'it':2 'let':1 'snow':3
                                   'search_artist'  'his':3 'monroe':2 'orchestra':4 'vaughn':1
                                  'search_release'  
                                     'search_rest'  '001':8 '00oldiepop':5 '05':19 '1946':6 '3':18 '305':20 '80':16 'ch1946':7 'christmas':27 'country':4 'exotica':2 'his':11 'it':14 'jazz':1 'let':13 'm':17 'monroe':10 'oldies':3 'orchestra':12 'prerock':21 'set':23,25 'snow':15 'swing':22,24 'th':26 'vaughn':9
                                    'search_combo'  '001':15 '00oldiepop':12 '05':26 '1946':13 '3':25 '305':27 '80':23 'ch1946':14 'christmas':34 'country':11 'exotica':9 'his':6B,18 'it':2A,21 'jazz':8 'let':1A,20 'm':24 'monroe':5B,17 'oldies':10 'orchestra':7B,19 'prerock':28 'set':30,32 'snow':3A,22 'swing':29,31 'th':33 'vaughn':4B,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-3', '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-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['cowboy ballad', 'swing', 'christmas', 'oldies', 'easy listening']
                                        'tag_date'  1946
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646560.8275733  (2023-01-25 12:36:00)
                             'size'  1857408