He helped shape 1970s hits including “For the Love of You” and “Fight the Power.” Later he sang lead on “Caravan of Love,” which reached No. 1 on the R&B chart.

Chris Jasper, a former member of the Isley Brothers who helped the group shape its flamboyant funk-rock sound, has died. The singer-songwriter died Sunday at age 73, his family announced Monday on Facebook,

Chris Jasper, who helped bring the slow-grooving Isley Brothers into an upbeat electronic era, died Sunday at 73.