1") is the first cover album by Japanese singer Shizuka Kudo.

As the title evokes, the album features a selection of songs from the Shōwa period.

It includes covers of artists such as Hiroko Yakushimaru, Mayumi Itsuwa, Kenji Sawada, Naoko Ken and Yōsui Inoue, among others.

The songs were originally covered in Japan by Sachiko Nishida and Chiemi Eri, respectively.

It charted in the top 100 for a sole week, selling a total of 5,000 copies.