sentences:  In February 2013, Curtis was diagnosed with T-cell lymphoblastic lymphoma after several weeks of displaying symptoms.Curtis did not recover and died on December 29, 2013 at Memorial Sloan–Kettering Cancer Center in New York City.The last piece of music produced by Curtis before his death, a cover of Joey Ramone's "I Got Knocked Down (But I’ll Get Up)", was made available in June 2014.