NEW YORK ( — Legendary folk singer Peter Seeger has died at the age of 94.

Seeger’s grandson said he died Monday at a hospital in New York.

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His career spanned more than 100 albums and included songs such as “If I Had A Hammer,” “Goodnight, Irene” and “Where Have All The Flowers Gone.”

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Seeger used his music to help push for social change, singing for the labor movement in the 50s and later, anti-Vietnam rallies.

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His song “We Shall Overcome” became an anthem for the civil rights movement.