"Heebie Jeebies" is a composition written by Boyd Atkins which achieved fame when it was recorded by Louis Armstrong in 1926. Armstrong also performed "Heebie Jeebies" as a number at the Vendome Theatre. The recording on Okeh Records by Louis Armstrong and his Hot Five includes a famous example of scat singing
The artist is using the appeal of pathos (emotional response). They play on the viewers association of the sky with endlessness, as it is often described as such. Additionally, most people associate the sky with birds which are used as mascots which hold value for freedom, like America's bald eagle. Lastly, people have an involuntary reaction to positive stimulus by smiling.
