What does yell out hank mean in the Kenny Chesney lyrics?

"Yell out Hank" in the Kenny Chesney song "American Kids" refers to paying tribute to country music legend Hank Williams by shouting out his name. It's a way of honoring and acknowledging the influence and significance of Hank Williams in country music. The phrase evokes a sense of nostalgia and respect for country music's roots and traditions.