Peter Seeger was diagnosed with Lyme disease in 2000.

Peter Seeger was diagnosed with Lyme disease in 2000. We do not know if Lyme had anything to do with his passing. He was 94 years old and brought much joy to the world through his music. May his memory be eternal.

Pete Seeger, Songwriter and Champion of Folk Music, Dies at 94

nytimes.com

Mr. Seeger, who spearheaded the folk revival that transformed popular music in the 1950s, spent a long career championing song as both a vital heritage and a catalyst for political action.