Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Guitar heaven!

I saw G3 in Boston, I believe it was 1998 or 99. John Petrucci of Dream Theater was in the line-up and it was an unbelievable show. This line-up with Yngwie Malmsteen is just jaw-dropping. Yngwie definitely spiced up the show. The jam at the end was the best. They all played together beautifully, going off into their individual leads and then coming together. Although all the songs are great, I have to say my favorite is Little Wing. I watch/listen to this DVD every morning on the treadmill and the 30 minutes just flies by.