Instrumental Music

Instrumental Music Team

Jason Rose has been at RHS since 2008. He teaches Wind Bands, Jazz, and Chamber Orchestra.  Along with teaching, he directs Bomber Marching Band and the pit orchestra for RHS musical productions.  He holds a Master's Degree in Music Education from Central Washington University, is a national board certified teacher, is principal clarinet of the Mid Columbia Symphony, and dislikes 'soft jazz/pop' like Kenny G. 

Sarah Berglund (or Ms. B), was born and raised in the Tri-Cities and graduated from Southridge High School in 2001. She attended Eastern Oregon University in LaGrande, OR where she received her Bachelors of Music. Ms. B will start her 11th year of teaching in the Fall of 2018 with the Richland School District. During that time she obtained her Master’s Degree in Secondary Education from Grand Canyon University and her Professional Certification through the state of WA. She also teaches the Carmichael School Orchestras and is thrilled to have the opportunity to teach so many of her students for longer than just middle school. Ms. B considers herself a viola player, but played violin for over 15 years before officially switching in college. In her spare time she likes watching movies and spending time with her cat Bella and 3 dogs: Quest, Oliver, and Winston. For more on Orchestra, Please go to Ms. Sarah Berglund- Orchestral Webpage.

Cassadra Cook has been teaching at Richland High School since 2015.  She teaches Jazz Band, runs the Bomb Squad Pep Band, and assists the Marching Band.  Cassandra received her bachelors degree in music education from Central Washington University.  She loves to play saxophone and played in the Seattle Wind Symphony.  She currently plays with the Columbia Basin Concert Band and is a regular sub with the Three Rivers Saxtette.  She loves hiking, coffee and of course the rain.  She currently lives in Kennewick with her 3 cats and her wonderful fiance.

Concert Attire


  • Black formal dress: Dresses are ordered through the Instrumental Music Dept. in early September for those who need one. Dresses DO NOT come hemmed. Cost $60. Make checks payable to RSD and pay the RHS bookkeeper by Nov. 9. The music department has selected a new dress style this school year. Students already in the program are permitted to wear last year's dresses. All freshmen must purchase the new style dress.  
  • Black dress shoes…..preferably flat v. high heels. 


  • Tuxedo: rented through the Instrumental Music Dept. Cost $35 yearly rental fee. Make checks payable to RSD and pay the RHS bookkeeper by Nov. 9. There is also a $15 dry cleaning fee. 
    • Tuxes must be returned after the last concert. Tuxes not returned by May 31 will be charged $100 for replacement of the tux. If returned after that date, the tux must be professionally dry cleaned and returned with receipt attached. The fine will be removed when the tux is returned cleaned. 
  • White tux shirt are available at tuxedo rental stores (this is different than a white dress shirt). Cost $10-20.        
  • Black cummerbund and bowtie set……Cost $12 from RHS IMB.
  • Black shoes/black socks

Did you know that students can pay for their concert attire through fundraising? 

Jazz Band

Attire (Men and Women):

  • PANTS:  Black polyester dress slacks are required. NO cotton pants. NO tuxedo pants. NO Dockers pants. If you are not sure, ASK.
  • SHIRT: Plain black shirt for both men and ladies 
  • Black dress shoes/socks

Jazz Band Video Archives

Thanks to Ann and Wayne Winkelman for taking this video of a Jazz Band Performance and loading it on YouTube.  The links are below or click the play button on the pictures below.


Jason Rose

Sarah Berglund

Cassandra Cook


Stay Up To Date On RHS Instrumental Music With Slack

Want to stay up to date with the latest communications with RHSIMB and the Music Directors?  Curious about a call time? Or maybe look for a carpool?  

RHSIMB teachers, students, and families use the app to manage all of our communications. It is the place to talk with the Music Directors, find out about fundraisers, ask questions about events, or keep up to date on how the students did at a performance.

How do you sign up for this App? Simply download Slack from your phone's app store, or go to Then send an email to with your name and the email address you will be using, then we will add you to the approved list. We will send you a conformation email once you have been added.

Once your email has been added, go the app and click "Get Started." You will see the RHSIMB Launch button, which will take you to main discussion page. From there, click on the "Channels +" on the left hand menu and add the groups you would like to follow.
# General is where you find the calendar updates as well as connect with the Directors.

Have any questions?  Shoot us an email at and we would be happy to help.