Question: Are Bobby Tench and Marilyn Manson both songwriters?

Related documents: [0]  [DOC] Brian Hugh Warner (born January 5, 1969), known professionally as Marilyn Manson, is an American singer, songwriter, musician, composer, actor, painter, author and former music journalist. He is known for his controversial stage personality and image as the lead singer of the band Marilyn Manson, which he co-founded with guitarist Daisy Berkowitz and of which he remains the only constant member. His stage name was formed by combining and juxtaposing the names of two American pop cultural icons: actress Marilyn Monroe and cult leader Charles Manson. [END] 
[1]  [DOC] Robert Tench also known as Bobby Tench, is a British vocalist, guitarist, sideman, songwriter and arranger. He is credited on recordings as Bob Tench and Bobby Gass. [END]  
Answer: yes
yes