24. Eric Burdon (75)
This English singer-songwriter, best known as the vocalist of R&B rock band The Animals, still has quite a bit of fire left in him. He gave his fans a treat when he released a new album, Til Your River Runs Dry, in 2013. Eric Burdon continues to tour with his band, consisting of a new lineup, much to the delight of fans worldwide who are in love with his baritone voice.