Seko as scriptwriter; the film's score is composed by piano trio band HZETTRIO. A sequel film, Twittering Birds Never Fly – The Storm Breaks, was announced
and Kou to create the jazz trio HZettrio in 2013, and released the album Mitsuboshi on December 4, 2013. HZettrio further collaborated with jazz singer-songwriter
Family Fauve Fingertrap Fink Forks François Lindemann Goldfrapp Gramatik HZettrio Harri Stojka & Hot Club De Vienne Herbie Hancock Hiromi Uehara Horace
"Gunjō" 97 March 3 Sirup "Thinkin About Us" 98 March 5 Rei Yasuda featuring HZettrio "Brand New Day" 99 March 10 Yoasobi "Yasashii Suisei" 100 March 12 HY