Ice Cream Man Intro

This is the intro of this song

its my first tab so tell me if you think its right
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-0---4-------------------4--|


play about four times then switch to...


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--------2---4-----4---2-----|
-0---4-------------------4--|
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play this about 2 times then swich back to...



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--------2---4-----4---2-----|
-0---4-------------------4--|


and thats all i know of the song so far