Describe each of their solo styles. At about 6:05 on To the End of the World, a new sound is added to the texture. What is the sound?

Jazz-Rock Fusion

Listen to Mercy, Mercy, Mercy, one of the earlies examples of jazz-rock fusion, and To the End of the World, and describe some specific jazz-rock fusion elements for each piece.
Joe Zawinul is the keyboardist playing on Mercy, Mercy, Mercy, and Lyle Mays is the keyboardist playing on To the End of the World. At what points do their respective solos begin and end? Use counter numbers . Also, describe each of their solo styles.
At about 6:05 on To the End of the World, a new sound is added to the texture. What is the sound?

Using counter numbers, when does Pat Metheny’s guitar synthesizer solo begin and end? Based on what you can find online, what exactly is a guitar synthesizer and how is it played? Describe Metheny’s solo in this piece.