Complex sentence: Their 1980 hit "French Letter", which spent 11 weeks on the charts, came to express New Zealand's anti-nuclear stance, 14 years later it was re-recorded to garner support for the prevention of nuclear testing at Mururoa.
Split into simpler sentences: Their 1980 hit "French Letter", which spent 11 weeks on the charts, came to express New Zealand's anti-nuclear stance. Fourteen years later, it was re-recorded to garner support for the prevention of nuclear testing at Mururoa.