Part 1 of the Road No. 1 OST has been released today featuring former Fly to the Sky member Hwanhee. This track is titled By Becoming The Wind and themed after So Ji Sub's character, Lee Jang Woo, and sings of love that can't be divided. Road No. 1 is a new MBC drama starring talented actors So Ji Sub, Kim Ha Neul, Yoon Kye Sang, Choi Min Soo, and Song Chang Min. This drama is based on events that occured around "Route 1" during the Korean War. Filming for this drama began in January and  was recently completed before airing. Here's the extended trailer for the drama: It is said that Baek Ji Young and Hwanhee will also be singing on the Road No. 1 OST. So be on the lookout for some hot ballad tracks to be released!