Please keep your back straight, etc., etc., etc." -- where I was probably just going to end up absolutely rigid, frozen, and I would not be able to strike the drum, "Evelyn, take this drum away for seven days, and I'll see you next week."
"背筋も伸ばす" とは… きっと様々なことを考えてしまい 身体が硬直し 上手く叩けなかったでしょう 代わりにドラムを一週間持ち帰るよう言われました