So I finally have my video edited to a song using FCP 4 only I've been playing the song in quicktime while I've been editing the video. Anyway, the song is in mp3 format. I imported into fcp 4 and moved it down into track 1 and 2, and it sounds like crap when I play my video as compared to how it plays in quicktime and real time. Why is this, and how can I prevent it? To be more descriptive, it sounds like the amplitude of the signals is too high every once and a while so it kind of pops. I used the audio mixer to turn the song down, but it doesn't reduce the noise. Any help would be appreciated. Never mind, I found that it has to do with the rate of the recording.