 Also in 1976, another American record label, Shelter Records, began to issue U.K. singles through Island, which received WIP-series catalogue numbers.Artists included the Dwight Twilley Band, J.J. Cale and Tom Petty & the Heartbreakers, the last-named of whom enjoyed some success on the coat-tails of punk.Finally, the Black Swan label was reactivated for certain reggae-styled releases, some of which appeared with WIP-series numbers.