Question: What profession Yeo Hoon-min and Bill Champlin have in common?

Related documents: [0]  [DOC] Yeo Hoon-min (Korean: 여훈민 ; born August 16, 1991), also known by his stage name Hoon, is a South Korean singer and actor. He is best known as a member of South Korean boy band U-KISS under NH Media. He joined the group in February 2011 after the departure of Alexander Lee Eusebio and Kim Kibum. Hoon currently attends Dongguk University, majoring in theatre and film. [END] 
[1]  [DOC] William Bradford "Bill" Champlin (born May 21, 1947 in Oakland, California) is an American singer, guitarist, keyboard player, arranger, producer, and songwriter. His performance work is principally associated with the bands Chicago and the Sons of Champlin. He has won multiple Grammy Awards for songwriting. [END]  
Answer: singer
singer