I believe [Dean Martin] is underestimated as a vocalist only because it seemed like what he was doing looked easy - but it isn't and it stands the test of time.
![I believe [Dean Martin] is underestimated as a vocalist only because it seemed like what he was doing looked easy - but it isn't and it stands the test of time.](http://cdn.quoteddaily.com/images/michael-buble/i-believe-dean-martin-is-underestimated-as-a-vocalist-only-because-it-seemed-like-what-he-was-doing-looked-easy.jpg)