When she'd seen Tony's announcement, Abby hadn't wasted time. Gibbs would be hurting, and he needed her. She couldn't just talk to him through the phone; Gibbs as not a technology person, especially at a time like this.
Heading purposefully to his cabin, she, too, followed the sound of music to the basement, hand resting on Robin's back for a moment, letting him know he wasn't the only one there any longer.
Serious eyes met Robin's, with a short nod of understanding. He knew something was up, Abby could tell. Still it wasn't her place to let him in on this fresh hurt.