Tetragon "Tachimachi" TOUR 2026 in Sapporo
～With Seychelles, PRIME LOOSE, and Koki Tetragon～

The adult rock band led by Koki Ito, the long-time support bassist for Tatsuro Yamashita, is coming to Sapporo again this year.
Masahiro Miyazaki, the support drummer for Masayoshi Takanaka who has been gaining immense popularity worldwide since last year, has joined, forming the new lineup of Tetragon❣
The opening acts will again be Seychelles, a Masayoshi Takanaka tribute band, and PRIME LOOSE, a Tatsuro Yamashita tribute band.

Performers
■3:30 PM～Seychelles (Masayoshi Takanaka tribute band)
■4:20 PM～PRIME LOOSE (Tatsuro Yamashita tribute band)
■5:10 PM～Koki Tetragon
　Ba.Cho. Koki Ito (Tatsuro Yamashita band)
　Dr.Cho. Masahiro Miyazaki (Masayoshi Takanaka band)
　Gt.Vo. Junichiro Matsukawa (SABBRABELLS)
　Gt.Vo. Haruo Kubota (Pearl Brothers)