Instruct: Classify Amazon reviews into positive or negative sentiment
Query: a great voice gone

I grew up with Marty playing on the first (black & white) tv on our block in Phoenix. He ran the camera and was the performer for his one-man guitar-singing show which filled a mid-afternoon slot. Through the course of a long career he did as much for the ballad as any performer, matching in the truth of song, his lively, simple and plain-spoken lifestyle. His rich tenor, great voice control, and unique arrangements have proven timeless. They entranced me as a youth, and nothing has changed. Whenever I first hear Marty singing, I am inexorably drawn toward it with a slight shiver of anticipation...