Question:  Which folk musician born in Aroostook County, Maine performed alongside with Chicago multi-instrumentalist Don Conoscenti?
Context: Clayton Lake is an unincorporated village in Aroostook County, Maine, United States.  The community is located on the north shore of its eponymous lake within the North Maine Woods in southwestern Aroostook County. Cary Plantation is a plantation in Aroostook County, Maine.  As of the 2010 census, it had a population of 218.  In July 2015, Cary Plantation residents began a plan to deorganize and become residents of the Maine Unorganized Territory.  However, in March 2016, the Maine Legislature rejected Cary Plantation's application, citing the financial burden deorganization would add to the remaining municipalities in Aroostook County. The Aroostook Band of Micmac is a federally recognized tribe of Mi'kmaq people in Aroostook County, Maine.  Their autonym is Ulustuk.  Of the 28 bands of Mi'kmaq people, the Aroostook Band is the only one in the United States, and the Aroostook Band were the first foreign power to sign a treaty with the United States on July 6, 1776. Penobscot Indian Island Reservation is an Indian reservation for the Penobscot Tribe of Maine, a federally recognized tribe of the Penobscot in Penobscot County, Maine, United States, near Old Town.  The population was 610 at the 2010 census.  The reservation extends for many miles alongside 15 towns and two unorganized territories in a thin string along the Penobscot River, from its base at Indian Island, near Old Town and Milford, northward to the vicinity of East Millinocket, almost entirely in Penobscot County.  A small, uninhabited part of the reservation is in South Aroostook, Aroostook County, by which it passes along its way northward. Woodland is a town in Aroostook County, Maine, United States.  The population was 1,213 at the 2010 census.  Because the state of Maine has a law stating that no two towns may share the same name, Woodland of Aroostook County and Woodland of Washington County found themselves before the Maine State Supreme Court in the late 1990s.  Because it was founded as a township first, the Woodland of Aroostook County was allowed to keep its name and Woodland of Washington County was ordered by the court to choose a new name: "Baileyville." Channel X Radio is a network of Adult Contemporary/Oldies/Full-Service formatted American radio stations in Aroostook County, Maine.  With studios in Caribou the stations are heard through various transmitters throughout Aroostook County. Don Conoscenti (born September 13, 1955) is an American singer-songwriter, record producer, and multi-instrumentalist originally from Chicago, Illinois.  He started his musical career in middle school playing drums, before receiving a guitar as a gift from a cousin for his 8th grade graduation.  Conoscenti became known for his unique use of multiple and partial capos on the acoustic guitar, releasing an instructional video "Capo Abuse and Guitar Techniques" in 2001.  He has played with many notable musicians, including Kristian Bush, David Wilcox, Ellis Paul, John Mayer, Nils Lofgren, Robert Mirabal, Bill Miller (musician), and The Indigo Girls. Houlton is a census-designated place (CDP) comprising the main village within the town of Houlton in Aroostook County, Maine, United States.  The population of the CDP was 4,856 at the 2010 census, out of a population of 6,123 for the entire town.  Houlton is the county seat of Aroostook County.  The northern terminus of Interstate 95 and eastern terminus of U.S. Route 2 are just east of the CDP at the Canada–United States border. Ellis Paul (born Paul Plissey; January 14, 1965) is an American singer-songwriter and folk musician.  Born in Aroostook County, Maine, Paul is a key figure in what has become known as the Boston school of songwriting, a literate, provocative and urbanely romantic folk-pop style that helped ignite the folk revival of the 1990s.  His pop music songs have appeared in movies and on television, bridging the gap between the modern folk sound and the populist traditions of Woody Guthrie and Pete Seeger. Aroostook National Wildlife Refuge is located on part of the former Loring Air Force Base, in Aroostook County, Maine.  It was established in 1998, when 4700 acre were transferred from the United States Air Force to the United States Fish and Wildlife Service.  This refuge also administers some 2400 acre of wetland conservation easements throughout Aroostook County.  It is close to the state park where visitors hike for particular seasons.  In a portion of Maine where the landscape is dominated by agricultural crops such as potatoes and broccoli, Aroostook National Wildlife Refuge protects valuable wildlife habitat.  The variety of habitat types attracts a diversity of wildlife species.
Answer: Ellis Paul