GRAMMY® Winner Darlene Koldenhoven is known worldwide as the featured soprano soloist in "Yanni, Live at the Acropolis" seen by over 1.5 billion viewers its first broadcast. PBS-TV Special in the USA ran for over 10 years and was on the Billboard Video Charts for over 10 years. Darlene did the vocal arrangement for the end section of the piece and wrote the syllabic vocalese. Darlene sings E above High C, demonstrating her 5 octave vocal range!