Appassionata - Viola and Harp Duo
      Classical          Pop
Established in the spring of 2010 by Tulsa Symphony Orchestra musicians Jeff Cowen and Jill Wiebe, Appassionata has quickly become one of Tulsa's most sought-after ensembles. Appassionata's debut performance at the Performing Arts Center resulted in the first ever "screaming standing ovation" for the Brown Bag It concert series. This provocative duo has caught the attention of classical and pop music fans alike with a repertoire that covers everything from Clair de Lune to Guns N' Roses. Appassionata's concerts keep audiences on their toes - moving quickly between poignant Romantic treasures, intricate classical works, sultry Latin dances often to a few surprises from their rock collection. The duo's debut concert and CD release concert drew a standing-room-only crowd. Their latest venture, the Candlelight Concert Series, has been a runaway success, selling out of season tickets before the series began! For information and tickets visit


Jill Wiebe, Harp
Harpist Jill Wiebe has enjoyed a freelance career that has taken her around the world. She has been featured center-stage in England's largest Christmas spectacular and has presented solo concerts on the luxury British ocean-liner Queen Mary 2. She has performed at high-profile events covered by television programs such as Entertainment Tonight, The Today Show and 60 Minutes. Wiebe was awarded full scholarships to the prestigious Eastman School of Music and the Cincinnati Conservatory. She currently performs with the Tulsa Symphony Orchestra, Tulsa Opera and Tulsa Ballet.
Jeff Cowen, Viola
Jeff Cowen has been performing professionally for the past 25 years. He currently serves as principal violist in the Tulsa Symphony Orchestra, Tulsa Opera and Tulsa Ballet. In 1990, Cowen has the distinction of becoming the youngest musician ever to win a principal position in the Tulsa Philharmonic Orchestra. In addition to performing at Carnegie Hall, Cowen has studied and performed throughout the United States with such distinguished artists as Leonard Bernstein, Pavarotti, and the world renowned American String Quartet.

Phone: 918-504-5304

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