CMT is honoring 20 of country music's top male artists from the past two decades in an all-new special, What's Your 20? 20 Greatest Men, 20 Years, on Aug. 10 at 8 p.m. ET/PT. The two-hour countdown show will rank the men according to fan voting on CMT.com. The special features all-new exclusive interviews with some of the honorees, including Trace Adkins, Jason Aldean and Keith Urban and several of their female counterparts like Miranda Lambert, Martina McBride and Taylor Swift, as well as top music critics and journalists.