Hans Werner Henze after the performances of Sieben Liebeslieder for Violoncello and orchestra with the Düsseldorfer Symphoniker

“to dear Christoph, looking forward with joy to the next time! With admiration and gratitude”
Hans Werner Henze Düsseldorf, 9. April 1992

Heinz Holliger after the recording of his Romancendres for ECM in Lugano

“Dear Christoph, you play this music as I dreamt it a long time ago. In greatest gratitude,

Yours Heinz”

3.Feb. 2008 (Lugano)

Krzysztof Penderecki after working with him on the 2nd concerto for cello and orchestra, before recording the work with the NDR Symphonieorchester

“for Mr Christoph Richter … Krzysztof Penderecki – Good luck”

Krzysztof Penderecki Krakow 13.5.1985

Astor Piazzolla after meeting him in Hamburg

“For Christoph with all my wishes for good music”
Astor Piazzolla 84