Letters with Notes is the first studio album by South Korean singer Young K. It was released on September 4, 2023, through Studio J and JYP Entertainment.

On July 31, 2023, it was announced that Young K would have a solo comeback with a full-length album two years after releasing his first EP in 2021.

This was also his first album released five months after his discharge from the military.

[2] On August 25, 2023, he dropped the pre-release single and the third track from this album, entitled "Let It Be Summer".

[3] On September 1–3, 2023, Young K held his first solo concert of the same name at Kwangwoon University.