„...Hearing Friedrich Kleinhapl's playing my composition "Canticle of the Sun", I witnessed an extraordinarily deep penetration into the complexity of the work and a quintessential realisation of its meaning ... An unforgettable experience!“

Sofia Gubaidulina

„...Friedrich Kleinhapl is one of the most promising musicians of a new generation“

Valery Gergiev

„Mr. Kleinhapl plied his instrument’s gorgeous woody tone with an oversize ardor, shaping lines as a singer might ...“

Steve Smith, New York Times

„...And indeed, in Kleinhapl’s hands, the opening movement raced by in a capricious flurry, sometimes thrashing about, sometimes yielding to searing lyricism, and always absorbing. ...."

Cecelia Porter, Washington Post

„Friedrich Kleinhapl has brilliant technique and a remarkable personality ...“

Paul Tortelier

„Friedrich Kleinhapl - extremely worthy of support“

Claudio Abbado

„... Kleinhapl shows a confidence and a spontaneous intuition that can only be found in a true talent ...“

Tibor Varga

„Friedrich Kleinhapl is a very gifted cellist ...“

Yehudi Menuhin

„What ... Friedrich Kleinhapl has allowed to break out of his powerful Guadagnini cello, together with Andreas Woyke ... is a passion, a subversive furor, an austere beauty, a disturbing truth, that one has so far not heard with such rigor and integrity even from the icons of the craft.“

Attila Csampai im Magazin Stereoplay