"Much of the show's charm comes from the banter between the two. Sara begins a long, convoluted story for which the destination is less interesting than the side roads; Tegan rolls her eyes in mock anguish and eventually sits down to hang her head in her hands. Tegan begins to tell her own pre-song story; Sara interrupts with waspish interjections." (read full article).

Non-banter but 18 seconds of Tegan playing guitar on the floor.

Source: HardcoreWithABullet