A little "Pop" at the beginning of a track?

[jahern]

Keyrite 2.008

Here is something I have not experienced before, but now seem to be experiencing regularly. At the beginning of the tracks of a Carpenters song which I put Up2 and Up3 there is a little "Pop" (I almost exclusively key change down, being a baritone, so going up is also new for me. (Karen was an extremely low voiced woman so I have to raise the key to match it in my Man's voice range )) I have not experienced this "Pop" before. Is my computer sick or is it because the change is up instead of down. Has anyone else experienced (and fixed) this problem?