The speaker looks back on childhood piano lessons, first with Mrs. Aranda, whom he remembers fondly for her perfume and pretty face, then with the stern Miss Gilbert. He admits he hated practicing and was often rebellious or bored, hiding from one teacher and playing a silly TV theme for the other. Most of the pieces he worked on have faded, except "Stardust," which stays in his fingers for no clear reason. The tone is gently humorous and a little wistful, full of small, sharp details like the blue vase and the unseen figure behind the green curtain.
The ending turns the memory around. Now a music teacher himself, the speaker tells parents he is glad he learned the fundamentals as a child. "And the funny thing is, it's true." That line carries the poem's mood: a wry surprise that the lessons he resisted did matter after all.