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One of Mahalo's "pride and joy" results was "How to Play Guitar". They were #2 for a while, now they're 5-6.

Their "How to Play Guitar" page is actually pretty good. It should easily be 3 or 4, ahead of wikiHow, guitarreference, and about.com.

Mahalo is the top result here. Brazilian Google, but with language set as English. Removing the .br from the url takes Mahalo to the second place.