Cameron just needed help to access the internet (the proxy was hung up). Given access, he opened Chrome, typed "Lord of the Rings guitar tabs," clicked on a link that shows a bars, lines, A's and B's and some such gobbly goo, and started playing the Shire theme on his guitar.
Auntie: "Cameron, how's school going?" Cameron: "It's good. Conor said my teacher is mean, but I disagree." Auntie: "What's your favorite thing you're doing?" Cameron: "Ummm, astronomy." Auntie: "What? That's cool! You're learning about astronomy?" Cameron: "Well, I'm not, but the other kids are."