All organisms have adaptations that help them survive and thrive. Some adaptations are structural. Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral. Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations. Adaptations are the result of evolution.
Mahalia Jackson became one of the most influential gospel singers in the world. At most of Dr. King's speeches and rallies she sang Amazing Grace and other uplifting songs. At the March on Washington in 1963, she sang I've Been 'Buked, and I've Been Scorned in front of 250,000 people.
 Jambalaya (On the Bayou)  is a song written and recorded by American country music singer Hank Williams that was first released in July 1952. demo version of Williams singing Jambalaya (On the Bayou) with just his guitar, likely recorded in 1951, is also available. Williams composed a sequel to the song from the female perspective, I'm Yvonne (Of the Bayou), with Jimmy Rule, recorded by Goldie Hill.