Question: who has the highest pitch of voice Daryl Hall or Steven Tyler 
Sentence (from "Daryl Hall"): Daryl Franklin Hohl (born October 11, 1946), known professionally as Daryl Hall, is an American rock, R&B, and soul singer; keyboardist, guitarist, songwriter, and producer, best known as the co-founder and lead vocalist of Hall & Oates (with guitarist and songwriter John Oates).
Relevant evidence: Yes