So instead of talking generally about playing percussion in the orchestra, hone in on a huge cymbal crash marking the climax of the piece. Everest or visited space or helped cure a rare disease, then yeah, you should probably mention that at some point.
Why was this feeling so familiar, so tangible? What does "Levi's" suggest? It was a real thing, which happened to a real person, told simply.
For example, you may want to include a heading with the name and address of the person who will be receiving your letter. After the essay is submitted, check your email and voice mail daily to make sure you see and respond promptly to messages from admissions staff members.
You don't need to have started your own business or have spent the summer hiking the Appalachian Trail.