Question: Guy Carawan served as what at the school secondarily known as Highlander Folk School?

Context paragraphs:
May Justus: May Justus (May 12, 1898 – November 7, 1989) was an American author of numerous children's books, almost all of which were set in Appalachia and reflect the traditional culture of her native East Tennessee.  She also worked as a teacher and served for many years as volunteer secretary-treasurer for the Highlander Folk School.

You Got to Move: You Got to Move is a documentary by Lucie Massie Phenix and Veronica Selver that follows people from communities in the Southern United States in their various processes of becoming involved in social change.  The film’s centerpiece is the Highlander Folk School (now known as Highlander Research and Education Center), a 75-year-old center for education and social action that was somehow involved in each of the lives chronicled in the documentary.

Evan Carawan: Evan Carawan is an American hammered dulcimer player from Knoxville, Tennessee.  He is the son of folk musicians Candie and Guy Carawan.  Evan Carawan learned to play hammered dulcimer from his father, who was a pioneer in reviving American interest in the instrument.  Carawan typically plays in old-time music, Irish, and new-age styles.

John C. Campbell Folk School: The John C. Campbell Folk School, also referred to as "The Folk School" is located near Brasstown, North Carolina along the Cherokee County and Clay line.  The school was founded to nurture and preserve the folk arts of the Appalachian Mountains, it is a non-profit adult educational organization based on non-competitive learning.  Founded in 1925, the Folk School's motto is “I sing behind the plow”.

Zilphia Horton: Zilphia Horton (April 14, 1910 – April 11, 1956) was an American musician, community organizer, educator, Civil Rights activist, and folklorist.  She is best known for her work with her husband Myles Horton at the Highlander Folk School where she is generally credited with turning such songs as "We Shall Overcome", "Keep Your Eyes on the Prize," "We Shall Not Be Moved," and "This Little Light of Mine" from hymns into songs of the Civil Rights Movement.

Claudia Carawan: Claudia Carawan (born April 19, 1959, Alexandria, Virginia, United States) is an American singer-songwriter and pianist.  Although she has been creating and performing music for more than 20 years, it took until 2003 before she released her debut album, "Out of the Blue".  It derives its sound from several styles including soul, R&B, reggae and jazz.  Her voice draws comparisons with Bonnie Raitt and Eva Cassidy.  Carawan is a cousin of the folk musician Guy Carawan.

Guy Carawan: Guy Hughes Carawan, Jr. (July 27, 1927 – May 2, 2015) was an American folk musician and musicologist.  He served as music director and song leader for the Highlander Research and Education Center in New Market, Tennessee.

Myles Horton: Myles Falls Horton (July 9, 1905 – January 19, 1990) was an American educator, socialist and cofounder of the Highlander Folk School, famous for its role in the Civil Rights Movement (Movement leader James Bevel called Horton "The Father of the Civil Rights Movement").  Horton taught and heavily influenced most of the era's leaders.  They included Martin Luther King Jr, Rosa Parks (who studied with Horton shortly before her decision to keep her seat on the Montgomery, Alabama bus in 1955), John Lewis, James Bevel, Bernard Lafayette, Ralph Abernathy, John B. Thompson, and many others.

Highlander Research and Education Center: The Highlander Research and Education Center, formerly known as the Highlander Folk School, is a social justice leadership training school and cultural center located in New Market, Tennessee.  Founded in 1932 by activist Myles Horton, educator Don West, and Methodist minister James A. Dombrowski, it was originally located in the community of Summerfield in Grundy County, Tennessee, between Monteagle and Tracy City.  It was featured in the 1985 documentary film, "You Got to Move".  Much of the history was documented in the book “Or We’ll All Hang Separately: The Highlander Idea” by Thomas Bledsoe.

Don West (educator): Don West (born Donald Lee West) (June 6, 1906 – September 29, 1992) was an American writer, poet, educator, trade union organizer, civil-rights activist and a co-founder of the Highlander Folk School.

Supporting paragraphs: Guy Carawan Highlander Research and Education Center
Answer: music director and song leader