She released the soundtrack album Heisei Fūzoku in February, a project where she collaborated with composer Neko Saito to create music for the Mika Ninagawa-directed film Sakuran.
[3] Sanmon Gossip was a collection of songs she did not think would work for her releases with Tokyo Jihen for stylistic reasons.
The song featured an arrangement produced by Masayuki Hiizumi a member of jazz ensemble Pe'z, and the former pianist for Tokyo Jihen from 2004 until 2005.
[10] The two members of hip-hop group Maboroshi feature in the song: rapper Daisuke "Mummy-D" Sakama, and guitarist Tomoyasu Takeuchi.
Rapper Daisuke "Mummy-D" Sakama added his rap after Sheena had finished writing her sections.