What is average cpu usage for itunes? when idle?

I've noticed lately that itunes is using 6% cpu when I'm doing absolutely nothing, even with the window x'ed out. It seems to stay at 6% pretty steadily too doesn't fluctuate when idle; but when I open up the window and attempt to play music, the cpu goes crazy. The 6% when idle isn't a terrible issue, I would just like to know if this is normal... I don't have any plug-ins either and I'm running osx 10.4.11.

That can't be normal because I have a G4 1.5Ghz and, when idle, it runs .3% and at full steam it runs at max 10%. As far as a solution I think someone can give you more insight.

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