Iamsu! drops his first single, “Only That Real” from his upcoming project Sincerely Yours. The track features 2 Chainz and fellow HBK Gang member, Sage The Gemini. The track is produced by HBK Gang’s P-Lo. The gentleman each display their different style’s, making the track even hotter. Iamsu!’s project is due out in April. Listen to the track here.