francis mcpeake iv: pete seeger was one of the first people, if not the first person to actually bringthe family song "will you go lassie, go," which my great grandfather wrote, to america. and i contacted pete and asked him how he first came across the song, and he actually met my grandfather in the troubadour in london in 1959. judy collins: i heard this song many years ago and everyone assumes this is quite traditional, that it was an amalgamation of all kinds of things and it was but it was at somebody's hand, i guess. francis mcpeake of the mcpeake family from belfast. and this song goes like this. francis: remarkably, four generations of francis mcpeake, the oldest son has played irish music, loves the music, plays the bagpipes, the uilleann pipes, and has kept it going. bono: i was at slane castle and bob dylan starts to ask me about the mcpeake family. and i'm like, "who are they?" and he says "but they're irish. how do you not know who they are?" and then he starts talking about liam clancy and how he used to, bob dylan used to, go to see the clancy brothers in the village in