Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Sony Usually top notch

As a faithful Sony product purchaser, I was shocked to hear from the receiver of this "Gift" that after an accumulated 12 hours of play, Side A suddenly decided NOT to operate properly. On that note ... I requested a replacement through Amazon and was promptly taken care of. Again ... This one faulty item certainly does NOT curtail me from a Sony purchase. My brother-in-law was delighted... until the defect. But is just as delighted that his gift is being replaced. Thank you Amazon, for your integrity and AAA customer service.