A loop? Sounds like you're choosing the wrong ones to download. There's lots of spammed files out there by organisations sponsored by the RIAA.
T3 Spammers; mp3 Bit-Rates Versus File Sizes (click on link)
If you are downloading files that are looping the first few seconds, try others in the search. Else, try changing your search techniques; See links for tips: 1.
How to find music ___ 2. See
http://www.gnutellaforums.com/showpo...45&postcount=2 (searching)
___ 3.
Recognising fake files