Kin'iro No Corda ~The After School Etude~

Kin'iro no Corda ~The After School Etude~ Kin'iro no Koruda ~Hōgako no Etude~ (金色のコルダ〜放課後のエチュード〜?) is a radio show that was broadcast by Radio Osaka and TBS Radio in Japan.

The show's personalities are Kishō Taniyama (as Len Tsukimori) and Katsuyuki Konishi (as Shinobu Osaki). In the show, they called themselves Koniyama 30's (こにやま30's?), a name made up of Katsuyuki Konishi's and Kishō Taniyama's last name.

After finish airing at Radio Osaka and TBS Radio, Lantis Web Radio took it up and re-broadcast it as an Internet radio with additional new episodes.