Step 1: Begin by drawing a tall and slender curved line, lean it slightly to the right. This line will represent the neck of the harp, which is an essential part of the instrument’s structure.

Step 2: On top of the curved line, draw a small horizontal line. This will represent the upper part of the harp’s neck. Be sure there is slight curve towards right side to maintain perspective.

Step 3: Starting from the bottom of the curved line (the neck), draw another curved line extending outwards to the left. This should create a sort of ‘S’ or parenthesis shape with a flatter profile. This structure resembles the body, or soundboard, of your harp.

Step 4: Connect the two lines at their ends by drawing another slightly curved horizontal line parallel to the top one. Your harp should now have a recognizable shape with an overall trapezoid structure.

Step 5: Add strings to your harp by drawing several equally spaced diagonal lines that intersect both with top and bottom horizontal lines in an aligned manner. The strings should follow the curvature of your initial lines (the neck and soundboard). Start with shorter strings at the narrower part and continue diagonally downwards with every new string slightly longer than previous one.

Step 6: To make your harp look even more realistic, add crossbars in between strings on the neck as required by musical instruments design. These crossbars can be drawn as small rectangles or squares in a regularly spaced pattern along vertical curve (neck).

Step 7: Finally, add details to enhance your drawing like shading, shadows or other decorations you feel necessary for this musical instrument – it’s all up to you. Once you’re done making these small adjustments, your harp drawing is complete! Enjoy showing off your new artistic skills and keep practicing to improve.

Congratulations! You’ve successfully followed the 7 steps to draw a harp, and now, you’re ready to illustrate this elegant instrument like a pro. Happy drawing!