Question: Are David Draiman and Kip Winger both musicians and vocalists?
Related documents: [0]  [DOC] David Michael Draiman (born March 13, 1973) is an American songwriter and the vocalist for the band Disturbed as well as for the band Device. Draiman is known for his distorted voice and percussive singing style. In November 2006, Draiman was voted number 42 on the "Hit Parader"’s ""Top 100 Metal Vocalists of All Time"". Draiman has written some of Disturbed's most successful singles, such as "Stupify", "Down with the Sickness", "Indestructible", and "Inside the Fire". [END] 
[1]  [DOC] Charles Frederick Kip Winger (born June 21, 1961) is an American rock musician, a member of the rock band Winger, and a solo artist. [END] 
Answer: 
yes
yes