Harry hummed out another laugh, the sound made airy by Draco's touch and proximity. The feeling of Draco's fingers running down his clavicle made his eyes flutter shut in a moment of pure exhaustion and well being. "I'm sure it was, love."<br/>Harry was certain Draco singing to Teddy was the most delightful sound imaginable. In the very back of his mind, there was something soothing knowing the fact that Draco knew the song; and that hadn't had to learn it far into his adult years, as Harry had.  Too tired to linger by that thought, Harry blindly turned further towards Draco, his nose brushing against Draco's hair. "I'm sorry I missed it."