Parc Jae Jung sent an autumn letter on the September 16 installment of 'Immortal Song'.

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For the 'Autumn Man' special of the show, the singer covered Choi Yang Sook's 1970 track "Fall Letter". Before getting on stage, Parc Jae Jung commented, "I wanted to express the�loneliness of fall, so I only planned to sing with a piano. I hope to compose the seeds of autumn together."

Spoilers Below:

However, Parc Jae Jung lost to married couple Son Joon Ho�and Kim So Hyun, and Min Woo Hyuk�took the final trophy.

What do you think of Parc Jae Jung's "Fall Letter"?