It was revealed that Sunny Hill's Kota and Joobi's surprise live high note on�this week's episode of�Inkigayo was actually�Brown Eyed Girls' Jea's idea. Loen Entertainment, Sunny Hill's agency, stated, "Brown Eyed Girls' Jea visited the recording studio to encourage Sunny Hill. While they were conversing about 'Midnight Circus', Jea shared an idea about doing an ad-lib on stage. Because the members revealed that they really wanted to try this idea on stage, they will be showcasing it during this broadcast." Check it out the ladies' power vocals at 2:56 here: http://www.youtube.com/watch?v=CY4qapSCjfA It was also revealed that Jea didn't only share the idea about performing an ad-lib, but also gave lots of advice, showing her love for her juniors. A picture of Jea and Sunny Hill members showing their close friendship was also released online, drawing attention from fans. Sunny Hill stated, "We thank Jea-senior for her help in making our stage more wonderful. We will continue to show you a new image, so please look forward to us." Meanwhile, Sunny Hill is currently promoting for "Midnight Circus". Source: TV Daily via Nate