At 3 hours and 17 minutes in this recent Trump rally vid can hear 3 x thunder sounds/booms
Those thunder sounds/booms are from the beginning of this sound track named "I am Q"
https://www.youtube.com/watch?v=Mb4-Ic5_ytM
After that another sound track is played during Trumps closing remarks, the name of that soundtrack is "wwg1wga"
https://www.youtube.com/watch?v=3ZKkUBlc4Vg