Question: Are both John Tardy and Jun. K vocalists ?

Related documents: [0]  [DOC] Kim Min-jun (; born January 15, 1988), better known by his stage name Jun. K, is a South Korean singer, songwriter, record producer, rapper, dancer and actor. He is the main vocalist of 2PM. [END] 
[1]  [DOC] John Tardy (born March 15, 1968) is an American vocalist best known for his work with the death metal band Obituary and Tardy Brothers. He is the brother of Donald Tardy who is the drummer of Obituary. [END]  
Answer: yes
yes