Question: Which lead singer, Dappy or Keisuke Kuwata, is most known for his eye-catching headwear?
Sentence (from "Keisuke Kuwata"): Keisuke Kuwata (桑田 佳祐 , Kuwata Keisuke , born February 26, 1956) is a Japanese multi-instrumentalist, singer-songwriter, and frontman for the Southern All Stars, as well of his own solo band, the Kuwata band.
Relevant evidence: Yes