There has been no shortage of great rock albums in the last 50 years. Five decades ago takes us back to 1973- quite possibly in the midst of the greatest diversity of sound in what would be considered "rock and roll." Queen, Skynyrd, and ZZ Top Released debut albums in 1973 while a couple of brothers whose last name was "Young" started a band of their own in Sydney, Australia. Rock got grittier, heavier. And, the albums rocked people's socks off. But what are the best rock albums since 1973? In order to get this list right, the siblings bring in an outside vote for the first time in TML history. Join the siblings and their producer, Shaun, as they tackle one of the toughest lists to date.