using sweeps and fillers and other sfx is great but you know what's even better? Knowing how to transition without a ton of add on like white noise or builds!
Open up this song by clicking remix and take a look at all parts of the song! Do not be afraid of messing around with the fx or audio clips or anything else!
Some tips for making smooth transitions keep everything in the same key and close to the same BPM that way it won't sound off or out of place in the song.