276537
Marston , a member of the instrumental metal groups Behold ... The Arctopus and Dysrhythmia , and Barr , a member of tech metal duo Orthrelm , performed together on a split in 2006 , and continued a working relationship from which Krallice developed .
 Marston, Barr
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Marston, Barr