If you were born on Thursday, August 06, 1942 then Despacito by Luis Fonsi and Daddy Yankee featuring Justin Bieber was the number one on your 75th birthday, and went to number one on May 27, 2017. Check the price of Despacito by Luis Fonsi and Daddy Yankee featuring Justin Bieber on Amazon.com
The biggest selling book of 2017 (the year you turned 75) was Wonder by R.J. Palacio.