The co-founder of the soul band who were the first predominantly black British band to have chart success in the U.S. in the 1970s, passed at his home in Trinidad last week. British pop group Hot Chocolate, April 1974. From left: bassist and songwriter Tony Wilson, keyboard player Larry Ferguson, bassist and percussionist Patrick Olive and guitarist Harvey Hinsley, singer-songwriter Errol Brown, and drummer Tony Connor. Michael Putland/Getty Images Trending on Billboard Tony Wilson, the bassist and co-founder of 1970s British funk/soul group Hot Chocolate , has died at age 89. The singer, guitarist and songwriter known for such iconic 1970s funk tunes as “You Sexy Thing” and “Emma,” passed on April 24 in his native Trinidad, according to his family, with no cause of death announced at press time. Explore See latest videos, charts and news Wilson’s death was confirmed in a Facebook post by his daughter, who wrote, “He left a lot of music behind…forever and ever.…