Jayce thinks it's unlikely they can keep any of their notes, but luckily their brains are plenty useful on their own. They might not be able to exactly replicate every number, but they probably could find their way back to this, some day. The only use he cares about with the Hexcore is this one. He can remember looking at Viktor nearly wasted away, and it's made him a little more skeptical of the device. It is beautiful and it is going to be everything they need, but maybe it's too dangerous, in the long-term.

"Okay, time for the repetitive part." He taps Viktor's chin up and kisses him very briefly, a light touch, and then a kiss to his forehead as well. No distraction. He just does it because he can. "Let's get started."