US rock band Bon Jovi are looking back on 40 years of fame this year in a documentary series on Disney+ – but also looking forwards with a new album set for release in June. As the band prepares to mark the 40th anniversary of their debut album, frontman Jon Bon Jovi says the fact that the group from New Jersey achieved their international breakthrough in the 1980s – and are still successful today – is primarily down to the work. “There were certainly more talented guys that you could find in any corner bar,” the 62-year-old told dpa in London. “But the work ethic was real. I just had a kind o…