Instruct: Classify Amazon reviews into positive or negative sentiment
Query: philly sound is all that

so many jams and many great artists with long careers.harold melvoin&the blue notes,teddy pendergrass,the jacksons,billy paul,the intruders,the o'jays,archie bell&the drells etcc.. Gamble&Huff are musical pioneers&geniuses.these legends broke done so many doors.great writers&producers.the whole philly crew back in the day were amazing.those string arrangments.soul train and so much togetherness in there music.a must have.