======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '183'
                                          'artist'  'Guy Lombardo & His Royal Canadians'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Winter Wonderland'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'classic swing', 'christmas', 'swing', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '126.174'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #2 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #2'
'TBPM' (BPM (beats per minute))                     '126.174'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Winter Wonderland'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Guy Lombardo & His Royal Canadians'
'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'                                   ['jazz', 'classic swing', 'christmas', 'swing', 'canadian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.52 dB'
'TXXX:replaygain_track_peak'                        '0.582396'

========================== row from database ==========================
                                              'id'  1455205
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Winter wonderland - Guy Lombardo and His Royal Canadians.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  183
                                           'genre'  prerock-band
                                        'filesize'  1840766
                                           'mtime'  1620560323
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 wonderland prerock band
                                      'tag_artist'  Guy Lombardo & His Royal Canadians
                                     'tag_release'  None
                                       'tag_title'  Winter Wonderland
                                             'bpm'  126.174
                                    'search_title'  'winter':1 'wonderland':2
                                   'search_artist'  'canadians':5 'guy':1 'his':3 'lombardo':2 'royal':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'band':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'wonderland':7
                                    'search_combo'  '00oldiepop':12 '1934':13 'band':16 'canadians':7B 'country':11 'exotica':9 'guy':3B 'his':5B 'jazz':8 'lombardo':4B 'oldies':10 'prerock':15 'royal':6B 'winter':1A 'wonderland':2A,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'classic swing', 'christmas', 'swing', 'canadian']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560323.1853178  (2021-05-09 13:38:43)
                             'size'  1840766