"She is either the most talented performer on the autoharp who regularly teaches, or she is the most gifted teacher who actively performs." —Autoharp Quarterly

Karen is an experienced teacher in a wide range of settings: private lessons, workshops at camps and festivals, school residencies, and school general music classes. 

At this time, all private instruction is being offered online. Be sure to take advantage of this opportunity to learn from Karen, wherever you live. She is offering lessons on autoharp, mountain dulcimer, guitar, ukulele, and mandolin. Besides being an expert instructor with over 30 years' private lesson and national workshop experience, Karen has hundreds of printed lessons and songs that she can draw on and share with online students via email. She can also write out music and tab for any of these instruments, either during a lesson or for an added fee, to offer a truly custom lesson. The platform is up to you, be it FaceTime, Zoom, or Skype. The rate is $35 per 1/2 hour, and lessons can be for 1/2 hour, 45 minutes or an hour. There is no charge for the initial email consult or for handouts to be emailed. All ages and levels welcome, including new players.

Contact Karen for more information at: muellerka(at)

“Karen is a skilled, articulate teacher who is both focused and goal oriented. She has the ability to help students achieve a high level of competence in a short time frame.” — Workshop student

School Workshops

Karen's school work includes both special residencies in topics such as songwriting and dulcimer building, and general music classes for elementary students. Karen has studied the Orff approach to music education, which emphasizes movement, rhythm, singing, and playing instruments. She has taught ongoing classes with ages preschool through junior high in public and private schools since 1998.