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2007 All State Chorus and Orchestra Concert

2007 Awards

Terry Nebelsick

Terry Nebelsick is a 1978 graduate of Dakota Wesleyan University, majoring in communications and theater. He received his Master’s Degree (1986) and Specialist Degree (1993) from the University of South Dakota. He taught English in Artesian (3 years) and Gregory (4 years), and was a radio announcer in Winner from 1980 to 1982. He has served as a high school principal for the past 22 years beginning in Salem – McCook Central (5 years), Lead-Deadwood (3 years) and is in his 14th year at Huron High School. His honors include President of School Administrators of SD (1997), SDASSP Principal of the Year (2000), and SD Student Council Association Administrator of the Year (2007). Nebelsick sang in the college choir, has been a church choir member since high school, is a soloist and lay preacher in Huron area churches, and a motivational speaker/presenter. He and wife, Diana have two married daughters, a son in college, and became grandparents in September.

Beverly Peterson

As a graduate of Selby (SD) High School, Beverly Mecklenburg Peterson attended Northern State University from 1956-58 receiving a two year Certificate in Education. She then taught in the elementary classroom for two years in the Aberdeen (SD) Public Schools. In 1960 she moved to Great Falls, MT, again teaching in the classroom for three and a half years. After marrying and having a daughter, she returned to Northern State University to complete her B.S. in 1967.

Bev began a long career as an Elementary Music Specialist teaching in the Rapid City Public Schools from 1967-1999. In that span of time, she taught children about music at ten Rapid City schools including: Grandview, Bergquist, Jefferson, Canyon Lake, Beadle, Black Hawk, Knollwood, Garfield, Lincoln, and Wilson. She also served as Coordinator of Elementary Music for eight years. Teachers at Knollwood honored Bev by choosing her as Knollwood Teacher of the Year in 1999.

Ms. Peterson received a M.S. degree in Education Administration from South Dakota State University in 1978. She completed an additional 43 hours of course work in Music Education and supporting areas studying at Kearney State (NB), Black Hills State University, University of SD, University of WY, and University of IL. Bev is a Certified Orff Schulwerk teacher having completed three levels of study as well as attending numerous workshops.

Beverly has served as adjunct instructor in music education at Black Hills State University and Augustana College. She has presented music education workshops for teachers in South Dakota, Nebraska and Kentucky.

Known as “Mother Orff” to the members of the Black Hills Orff-Schulwerk Association in Rapid City, Bev served as the founding president in 1984-88 and then again 1998-2000. She continues as Instructor for the yearly class offered by the Association through Augustana. She also served as State Chairperson for Elementary Music and State Chairperson for Music for Special Learners for South Dakota Music Educators from 1981-86.

Clayton Southwick

Clayton Southwick is no stranger when it comes to music in South Dakota. Born and raised in Stockholm, he was a student of band leader Tommy Matthews at South Shore High School. While earning his degree at Northern State University, he studied voice with Dr. John Berggren. He received his Master of Arts for Teachers Degree from Colorado State University, studying voice with Dr. Larry Day, and has pursued postgraduate work throughout his career.

Clayton is currently in his thirtieth year as vocal director at Rapid City Central High School. He has also served as director of the Shrine of Democracy Chorus for eighteen years and as conductor of the Aberdeen Elks Chorus for nine years. He directed the Black Hills Chorale and has served as assistant conductor of the Dakota Choral Union. Clayton is Secondary Vocal Coordinator for the Rapid City Area Schools and has served as President of the South Dakota Choral Directors Association and Choral Chair for the South Dakota Music Educators Association. He has organized and hosted Rapid City appearances of the South Dakota All-State chorus and the South Dakota Junior and Senior Honor choirs, and the North Central Division of the American Choral Directors Association. In addition to these duties, Clayton has performed as tenor soloist with the Black Hills Symphony, and other community and university ensembles.

Over his forty-four year career as an educator and choral conductor, Clayton has taught in Wayne, Nebraska, Ft. Morgan, Colorado, and Aberdeen, South Dakota before coming to Rapid City. Clayton has served as clinician and guest conductor in South Dakota, Montana, North Dakota, Wyoming, the International Music Camp, the University of South Dakota Summer Camp and the University of Wyoming Summer Camp. Choirs under his direction have performed in South Dakota, Nebraska, Minnesota, Montana, Idaho, Colorado, Wyoming, Illinois, Pennsylvania, New Jersey, Washington D.C., Canada, England, France, Switzerland Austria, and Germany.

Margaret Tretheway

Margaret Tretheway graduated from Java High School in 1960. She graduated from NSTC in Aberdeen in 1964 with a BA in composite music education degree. While at Northern she studied with Dr. John Berggren. She was Gypsy Day Queen in 1963. In 1965, she studied at the American Conservatory of Music in Chicago. She married Bill Tretheway and they moved to Lovell, Wyoming where she began teaching 50-60 students a week in her private Music Studio for 5 years. She then continued her Music Studio in Custer for 31 years until retiring two years ago. She also taught a year of music in the Custer Elementary schools. She serves as music co-ordinator at church and serves as an accompanist, soloist, and participates in Praise Band. She continues to work in the Kindergarten for the past 18 years. She sang in the Black Hills Chamber Singers for 15 years. Margaret was the recipient of the Rose Award for Woman of the Year for Zonta in 2003.

William Tretheway

William S. Tretheway grew up in Lead, SD and graduated from High School in 1962. He attended BHSU briefly and than transferred to NSTC in Aberdeen where he graduated in January 1968. He moved to Custer, SD to assume duties as Instrumental Music Teacher at Custer Middle and HS where he remained for 2 ½ years. In 1970 he married Margaret (Muggs) Hochstetter and they moved to Lovell, Wyoming to teach for the next 6 years. In 1976 they moved back to Custer where he remained for the rest of his teaching career. William officially retired from Education in May of 2005 after teaching for almost 38 years. He remains active in his church music and judges at various contests throughout the area. William was honored at his Retirement Concert by having May 14, 2005 officially proclaimed as Mr. T. Day in SD by Governor Rounds.

Bill and Margaret received the Individuals of the Year Award for Music dedication from the Custer Chamber of Commerce in 2003. They both do judging at music contests throughout the area. They feel that they have been honored to work with the remarkable youth that have dedicated their talents. They now spend time with their 2 children and their husbands and 5 grandchildren attending their activities.

Glenyta Hanson, Sioux Falls – Category: Coach & Director

After teaching vocal music forty-four years in the Sioux Falls Schools, Glenyta Hanson retired in May of 2007. She taught at all levels in Sioux Falls beginning at Cleveland Elementary School, Patrick Henry and Axtell Park Junior High Schools and for the last sixteen years was at Lincoln Senior High School.

A graduate of Canton High School, Hanson sang in the 1958 All-State Chorus held in Aberdeen. She still remembers the sound of the first chord at the All-State rehearsal and the tingling sensation the chord made in her body. It was an awesome feeling to be singing with students from all around the state.

Hanson holds both a BA and an MA from Augustana College in Sioux Falls and has done extensive post-graduate work at numerous colleges and universities.
During her career, her choirs sang at many state conventions and last year was one of six choirs selected for the NCMENC Convention. Several of her students have been selected to sing in state, regional and national honor choirs. Her choirs have traveled to Colorado, Washington, D.C., New York City, Winnipeg, Boston and San Francisco and have sung in settings such as the Air Force Academy, United Nations, Lincoln Center, St. John the Divine in New York City, Washington Cathedral, Georgetown University, Harvard University, San Francisco Conservatory, and the Kennedy Center as part of the Presidential Inaugural festivities.

She was the director of the Singing Boys of Sioux Falls, a community boychoir, for nineteen years and has been the SDACDA Boychoir Chair for the past two years. Hanson has been on various boards in the community and also served as a Girl Scout Leader and PTA President. She currently serves as the choir director at Eastside Lutheran Church in Sioux Falls.

Hanson has been active in MENC. She has been on the SDMEA board for forty years and is currently the state manager of that organization. She received the SDMEA Distinguished Service to Music Award in October of 2005. She is also a lifetime member of ACDA. She currently serves as the North Central ACDA Senior High Repertoire and Standards Chair. In 2006, Hanson received the SD-ACDA Lifetime Achievement Award in recognition of her significant impact on the lives of students in the pursuit of excellence in choral music.

Renae Tyler Mack, Watertown – Category: Coach & Director

Following her graduation from Sioux Falls Lincoln High School, Renae Tyler Mack attended Southwest Minnesota State University in Marshall, MN. She graduated from Southwest Minnesota State University in 1975 with a BA in Music Education.

Mack is presently in her thirty-third year of teaching elementary strings and directing two senior high school orchestras in Watertown. She served as the All-State Orchestra State Chairperson in 1977 and 1978. For thirty-two years, Mack has served as one of the All-State Orchestra Regional Audition Chairpersons. She served as the All-State Orchestra Concert host in 1975, 1979, 1984, and 1989. She wrote the All-State Orchestra Audition Terminology Test for seven years.

Mack is a member of the American String Teachers Association. She has been the Chairperson of the South Dakota J. Laiten Weed Honors Orchestra for six years from 2002-2007.

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