WCRB (99.5 FM) is a non-commercial radio station licensed to Lowell, Massachusetts and based in the Brighton area of Boston, which serves the Greater Boston area. It broadcasts a classical music format; it existed as a commercial station from the early 1950s until December 2009, and as a listener-supported station since then, having then been acquired by the WGBH Educational Foundation. Programming is also simulcast on the second HD Radio channel of WGBH (89.7 FM), allowing WCRB to reach some portions of the Boston area that cannot receive 99.5, as well as WJMF (88.7 FM) in Smithfield, Rhode Island (serving nearby Providence), the second HD Radio channel of WCAI (90.1 FM) in Woods Hole, W242AA (96.3 FM) in Kendall Square, Cambridge (designed to serve Beacon Hill, Boston), and W295BL (106.9 FM) in Manchester, New Hampshire.

WCRB (99.5 FM) is a non-commercial radio station licensed to Lowell, Massachusetts and based in the Brighton area of Boston, which serves the Greater Boston area. It broadcasts a classical music format; it existed as a commercial station from the early 1950s until December 2009, and as a listener-supported station since then, having then been acquired by the WGBH Educational Foundation. Programming is also simulcast on the second HD Radio channel of WGBH (89.7 FM), allowing WCRB to reach some portions of the Boston area that cannot receive 99.5, as well as WJMF (88.7 FM) in Smithfield, Rhode Island (serving nearby Providence), the second HD Radio channel of WCAI (90.1 FM) in Woods Hole, W242AA (96.3 FM) in Kendall Square, Cambridge (designed to serve Beacon Hill, Boston), and W295BL (106.9 FM) in Manchester, New Hampshire.