so, i'll do it again, and-- and i'll go into simon and garfunkel more. >> reporter: what garfunkel isright now are broad contemplations about his life and how his work may be remembered, big questions that for gaunkel started to ring a bit louder in recent years as he struggled with the loss and recovery of his singing voice. >> well, when i couldn't sing, i began to sit at the round table in my place and started working on this thing. that became an alternate. so, that's a big part of why i wrote it. i can't sing, i'm still creative. >> reporter: and did it change the way you think of your own legacy? >> "legacy."ha i've heardword. they like that word a lot these days. i don't have a legacy. i don't know what that means. i have a wife and kids. i have a family. i know what that means. what is my legacy? the world and all of its glamorous stars is a hit parade. they come up, and then they go down, except for j.s. ch. he seems to stay up there. but i'm discouraged that how weo certain people and then it fades. i've heard k "ids sanatra? who's sinatra?" they never heard that word. i tak