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Orff-Schulwerk Levels

July 12-16 and July 19-23, 2021

Orff-Schulwerk certification is offered in conjunction with the American Orff-Schulwerk Association (AOSA). This certification focuses on training music teachers to implement the creative music and movement approach developed by Carl Orff and Gunild Keetman. This approach is known for using instruments such as xylophone to improvise and compose music. Training includes recorder and movement classes.

We are closely following COVID-19 guidance from MSU Denver and the City and County of Denver.

Classes: Orff-Schulwerk Level I, Orff-Schulwerk Level II, Orff-Schulwerk Level III

Cost until May 1: $900 for course only (no graduate credit); $1150 for course + graduate credit

Cost on and after May 2: $1000 for course only (no graduate credit); $1250 for course + graduate credit

Schedule: 8:30am-4:30pm daily

Additional Course Information: Contact Carla Aguilar (


Karen Petty (Level I)

Karen Petty has been teaching Elementary Music and Movement for over 35 years and still loves it!  She currently teaches music Kindergarten - 5th grade, plus Chorus and Recorder Consort, at Gold Rush Elementary School in Parker, Colorado and teaches adults in various summer Orff Teacher Training programs. Education: BME University of Northern Colorado 1981; Orff Certification 1989 UNC; Masters in Education, Curriculum & Instruction – Creative Arts in Learning Lesley College 1996.  Karen is a past president of both the Rocky Mountain Chapter and the New York City Orff Chapter.  She served on the National Board of Trustees for the American Orff-Schulwerk Association as a Region 1 Representative and currently serves as chair of the Advocacy Committee and the 50th Anniversary committee.  Karen has presented at 7 AOSA national conferences and for many schools and Orff chapters.

Meg Tietz (Level II)

Meg Tietz teaches kindergarten through Grade 5 music at Raven Stream Elementary School in New Prague, MN. Meg completed her master’s degree with a concentration in Orff Schulwerk at the University of St. Thomas. She is an active presenter for local and national workshops and conferences and teaches Orff levels at Southern Methodist University in Dallas, Texas, and the University of St. Thomas in St. Paul, Minnesota. Meg currently serves as a Region III representative on the AOSA National Board of Trustees.

Paul Cribari (Level III and Course Manager)

Paul Cribari works in the Cherry Creek School District in Colorado where he is an Instructional Facilitator for the K-12 Performing Arts. Paul received his Master of Arts in Orff Schulwerk from the University of St. Thomas, and his Doctorate in Music Education from Boston University. In addition to his work with children Dr. Cribari teaches levels I, II, and III of Orff Schulwerk at Southern Methodist University, Metropolitan State University of Denver, and the San Francisco International Orff Schulwerk Course. Dr. Cribari is a regular clinician for local chapters of the AOSA and has presented sessions at state and local conferences as well as numerous National Conferences of the AOSA. Internationally, Dr. Cribari has presented for in Italy and Hong Kong.

Paul Hallsted (Recorder) 

Paul Hallsted is currently teaching choir and guitar at Alma d’Arte Charter High School in Las Cruces, NM. He has been a music educator for over 30 years, teaching all levels of students, which include pre-school, elementary school, middle school, high school, and university. 

Paul Hallsted received his bachelor and master degrees from New Mexico State University.  He has completed three levels of Orff Certification, two levels of Kodaly Certification, and the Endorsed Trainer Program from Phyllis Weikart’s program,Education Through Movement: Building the Foundation. He has also completed level 3 of Creating Artistry with Henry Leck.

Paul has served as a guest clinician for honor choirs throughout the states of New Mexico, Colorado and Oklahoma.  He is active as a clinician for general music and choral workshops throughout the country.  Mr. Hallsted’s most recent professional development presentation was in Wuhan, China where he presented a choral workshop, an Orff Schulwerk workshop, and rehearsed with the Tian TaiShi Buddhist Temple Choir.

Paul was inducted into the New Mexico Music Educators Hall of Fame in 2009 and received the New Mexico General Music Teacher of the Year Award in 1996.  Paul has served as General Music vice president for NMMEA on two separate occasions, president of the New Mexico Chapter of American Orff-Schulwerk Association (AOSA) and as a Regional Representative for AOSA. In addition to being a faculty member for many Orff Schulwerk Teacher Education Courses, Paul has presented numerous workshops at local, state, and national levels.   

Laura Bercaw Petersen (Movement) 

Laura Bercaw Petersen teaches general and choral music at St. Patrick’s Episcopal Day School in Washington, D.C. Laura earned her Bachelor of Science in Music Education from Gettysburg College and completed her Master of Music in Music Education at George Mason University. She holds Level III and Master Level IV certifications in Orff-Schulwerk pedagogy from George Mason University and has studied at the Orff Institut in Salzburg, Austria. Laura teaches movement in AOSA-approved summer teacher education courses and is an invited presenter both locally and nationally. She currently serves as Past-President of the Middle Atlantic Chapter of the American Orff-Schulwerk Association. 



Refunds of any type are subject to a 20% administration fee. If you need a refund processed, email the transaction number and reason for the refund to Carla Aguilar ( to process the refund (at which time a 20% administration fee will be assessed). All refunds will be sent back to the credit card used to make the original payment and must be done within 30 days of the original transaction.  If a refund is needed after 30 days or for a deposit made in the Cashier Office you can contact MSU Denver Accounting Services to request a check. The university reserves the right to cancel a course if registration has not reached sufficient enrollment 10 class days before the first class session. In such cases, students are notified immediately and full tuition is refunded.

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