Now, in the alumni association of the company where I used to work, there is a gentleman named Tsutomu Ando, who will be celebrating his 99th birthday this year (according to the traditional Japanese age‑counting system). He holds a solo recital every few years as a hobby, and I recently received an invitation announcing that he will be giving a concert to commemorate his 99th birthday. I am once again amazed that there are such energetic elderly people. Although I worked in