Originally Posted by: biriemonIn Lisa's lesson What is a 'Key'? @ 3:40 she mentions we learned the C Major scale in the lessons on reading tabs? Did I miss something? I don't remember learning any scales so I'm kinda lost on the Key lesson

I'm assuming you're referring to this lesson in GF 2 Chapter 7.

https://www.guitartricks.com/lesson.php?input=24866&s_id=2051

Lisa introduces the C major scale in this lesson back in GF 2 Chapter 2.

https://www.guitartricks.com/lesson.php?input=24484&s_id=2010

Hope that helps!