Producer and singer Ra.D released his new song, "It's Been Awhile," today.

Ra.D has been a producer for many artists including IU, Gain, Lee Seung Gi and more. He is now finally back as a singer after a 4 year hiatus.

Ra.D's new song expresses the feeling of meeting an ex-lover and the feelings and thoughts that run through ones mind.

"Superstar K3" former contestant Shin Ji Soo will also featuring for this song.