1216 is a piece where I  recorded all the sounds of my daily life from waking up in the morning to going to bed at night on December 16, 2025, compressed that recording into an approximately 15-minute track, added my piano and other materials (such as Lee Morgan's riff, the line " Wandering around the mountains is painful" from the Noh chant "Yamanba," and Kazuo Funaki's 1969 song "Yūbae no Futari"), played it at the live venue, and performed along with it.

The PC operation at the venue and the post-event mixing were done by Kayo Makino.