356859
The actual rudiment is essentially a double stroke roll ( with the sticking being " RRLLRRLLRRLL " ) , the difference being that the first note of every right hand double is played with the " butt " end of the drum stick ( called " backsticking " ) , and the very next note of the double is played with the normal playing end , or tip , of the drum stick .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None