Question: Which musician filled more roles in their bands, Vibeke Stene or Wong Ka Kui?
Sentence (from "Wong Ka Kui"): Wong Ka-kui (10 June 1962 – 30 June 1993), was a Hong Kong musician, singer and songwriter, best known as the leader and co-founder of the rock band Beyond, for which he was the lead vocalist, rhythm guitarist and main songwriter.
Relevant evidence: Yes