Diana Trask is an Australian-born country and pop singer who achieved significant success in the United States during the 1960s and 1970s. Known for her smooth vocal tone and emotive style, she became a regular on the popular TV show, "Sing Along with Mitch," gaining her significant exposure. Trask's most notable hits include "Oh Boy" and "Lean it all on Me," which reached the Billboard country charts. Despite her roots in pop music, her transition to country in the mid-1970s marked a significant shift in her career, establishing her as a respected figure in the genre.