Instruct: Classify Amazon reviews into positive or negative sentiment
Query: what i needed

Time, time , time is what everybody wants and what everybody doesn't have, day by day, everyday. Fortunately if you're in the music industry there might still be hope for you, in the form of this quick access guide to all of the companies involved with music. These yellow pages contain all your heart's desire, from producers, to musicians, to recording studios and equipment manufacturers. Great book that helped me save time and money, i'm sure it will do the same for you