======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '174'
                                          'artist'  'Bing Crosby'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'll Be Home for Christmas (If Only in My Dreams)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-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'  "['crooners', 'jazz', 'christmas', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-swing;set-th-christmas'
                                             'bpm'  '143.213'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['Debuted 12/23/1944 and peaked at #16 on Various Charts. Source: Pop Hits. '
 'Label/Number: Decca 18570. \r\n',
 'Debuted 1944 and peaked at # on Various Charts. Label/Number: Decca 18570. '
 'Billboard Pop Charts (1940-1954)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 12/23/1944 and peaked'
'COMM:MusicMatch_Preference:eng'                    'None'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-swing', 'set-th-christmas']
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         "I'll Be Home for Christmas (If Only in My Dreams)"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '174000'
'TPE1' (Lead performer(s)/Soloist(s))               'Bing Crosby'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['crooners', 'jazz', 'christmas', 'oldies', 'swing']
'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'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.571945'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1944_003')

========================== row from database ==========================
                                              'id'  1521459
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1944/ch1944_003 - bing crosby - i_ll be home for christmas (if only in my dreams) 80 m (2.54).mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  174
                                           'genre'  prerock-swing;set-th-christmas
                                        'filesize'  1742848
                                           'mtime'  1674646560
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1944 ch1944_003 bing crosby i_ll be home christmas (if only my dreams) 80 (2.54) prerock swing;set th christmas
                                      'tag_artist'  Bing Crosby
                                     'tag_release'  None
                                       'tag_title'  I'll Be Home for Christmas (If Only in My Dreams)
                                             'bpm'  143.213
                                    'search_title'  'be':4 'christmas':7 'dreams':13,14 'for':6 'home':5 'i':1 'if':8,9 'ill':3 'in':11 'll':2 'my':12 'only':10
                                   'search_artist'  'bing':1 'crosby':2
                                  'search_release'  
                                     'search_rest'  '003':8 '00oldiepop':5 '1944':6 '2':23 '254':25 '54':24 '80':22 'be':13 'bing':9 'ch1944':7 'christmas':15 'country':4 'crosby':10 'dreams':20,21 'exotica':2 'home':14 'i':11 'if':16,17 'jazz':1 'll':12 'my':19 'oldies':3 'only':18 'prerock':26 'set':28,30 'swing':27,29 'th':31
                                    'search_combo'  '003':24 '00oldiepop':21 '1944':22 '2':39 '254':41 '54':40 '80':38 'be':4A,29 'bing':15B,25 'ch1944':23 'christmas':7A,31 'country':20 'crosby':16B,26 'dreams':13A,14A,36,37 'exotica':18 'for':6A 'home':5A,30 'i':1A,27 'if':8A,9A,32,33 'ill':3A 'in':11A 'jazz':17 'll':2A,28 'my':12A,35 'oldies':19 'only':10A,34 'prerock':42 'set':44,46 'swing':43,45 'th':47
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-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'  ['crooners', 'jazz', 'christmas', 'oldies', 'swing']
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646560.2037024  (2023-01-25 12:36:00)
                             'size'  1742848