Klee was also a violinist; at age seven, he started playing music. ''Klee died, painfully, at age 61 of the rare skin hardening disease, Scleroderma.'' [[Ibidem]] | Klee was also a violinist; at age seven, he started playing music. ''Klee died, painfully, at age 61 of the rare skin hardening disease, Scleroderma.'' [[Ibidem]] |