Louis Armstrong & Oscar Peterson - Let's Do It, Let's Fall in Love

Louis Armstrong & Oscar Peterson - Let's Do It, Let's Fall in Love "Let's Do It, Let's Fall in Love" (also known as "Let's Do It (Let's Fall in Love)" or simply "Let's Do It") is a popular song written in 1928 by Cole Porter. It was introduced in Porter's first Broadway success, the musical Paris (1928) by French chanteuse Irène Bordoni for whom Porter had written the musical as a starring vehicle.