It's a sad day for Boston fans. On Facebook on Monday, lead singer Tommy DeCarlo's page updated with some tragic news from his family. Sharing a photo of the vocalist, the caption revealed Tommy sadly lost his battle with brain cancer: "It is with heavy hearts that we share the passing of our Dad, Tommy DeCarlo, on Monday, March 9th, 2026. After being diagnosed with brain cancer last September, he fought with incredible strength and courage right up until the very end.