Korea's longest running boy band,Shinhwa,proves that staying relevant isn't about pretending you're young. It's about embracing your age ..

But the fact that this group is turning 2 decades old means it's been together for longer than many of today's most plugged-pop music listeners have been on earth.And the band's popularity isn't what it once was;Backstreet's last album, This Is Us, debuted at No.9 on the US Billboard 200 and only produced 2 singles of middling success. The group toured with New Kids on the block in 2011, which cashed in on the nostalgia of people converted more than a decade ago but probably didin't mind many new fans.