From Vsauce.

(you also get two other slap bracelets in this season’s box: one’s a ruler and the other is a π tape). https://www.curiositybox.com/

ALL SONGS BY JAKE CHUDNOW:
0:00 – 0:13 "Half A Dozen Bullets"
0:15 – 0:47 "Towers and Tourists"
0:40 – 1:00 "Sunday July 20th (Instrumental)
1:00 – end "It’s Good To Be D"