~ Hit "See Inside", then, go to one of the spritsand go to their sound. If you but your mouse at the very end of the screen (the bottom part), you can open your backpack! Then, you can drag the sound down into the backpack. ~ ~ You can go into the project you want to put the project in, open your backpack again, and then drag the sound into the sprit/backdrop. ~ Uwuwuwuwuwuwu! :>