Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Creative energy under smooth jazz `s service!

Nowadays the musical scene in the smooth jazz genre has visibly enhanced with the presence of true legends of the guitar; the instrument of major relevance in the Nineties decade and still on.Nils is actually one of the great promises in this genre. He displays creativity, rhythm and vitality in every single track you randomly choose.A wise option under any perspective.