Squeaking from Front of car at 1.5-2k rpms?

G

I just did my timing belt, water pump, and serpentine. I only replaced the serpentine belt and the dynamic tensioner for the serpentine, but all the pulleys for the timing belt I replaced. Now on idle it doesn’t squeak or anything, but once I hit second or third gear, there is a squeak that is synced with me pushing on the gas as you’ll see in the video. I can’t really figure out what it is because I only hear it while driving, but I know for a fact that it’s not the tensioner pulley, or the idler pulley because they run smooth. I’m thinking it’s either the serpentine belt itself somehow even though it’s new, or it’s something with the timing belt which I really hope it’s not lol but I don’t think it is the timing because it didn’t make this noise when I finished the job, but I did have to replace the tensioner for the serpentine when I was done because it was vibrating. So yea if anyone knows what this could be that would be much appreciated. Thank you!