Please generate a series of images that follow the same creative style as the provided image. The image features the letters A, B, and C composed of musical instruments. You are required to generate four additional letters, each incorporating different musical instruments while maintaining the same style. The first image should generate the letter D, made from the strings and shape of a harp; the second image should generate the letter E, incorporating the keyboard of an electric piano; the third image should generate the letter F, formed by the shape and keys of a flute; the fourth image should generate the letter G, combining the curves and shape of a saxophone. All images must maintain the same creative style, blending letters with musical instruments.