Question: Are both Zakk Wylde and Seohyun both singers actors/actresses?
Sentence (from "Zakk Wylde"): Zakk Wylde (born Jeffrey Phillip Wielandt on January 14, 1967) is an American musician, singer, songwriter, multi-instrumentalist and occasional actor who is best known as the guitarist for Ozzy Osbourne, and founder of the heavy metal band Black Label Society.
Relevant evidence: Yes