How to Win:

Starting June 1st, tune into Z100 every weekday at 8:10am, 10:10am, 12:10pm, 2:10pm, 3:10pm, 4:10pm, 5:10pm, and 6:10pm.

When you hear the Secret Sound, be caller #100 at 1-800-242-0100 and take your guess.

Guess the sound correctly to instantly win access to Harry Styles SOLD OUT Madison Square Garden residency!

Luckily, every guess qualifies you for the grand prize — whether you’re right or wrong.

One lucky Grand Prize winner will score a trip for 2 to see Harry Styles live in Mexico City this August!

8X CHANCES EVERY DAY — LISTEN. GUESS. WIN!