The beginning tempo for El Paso Waltz is marked "dotted quarter" = 54. The marking should be "dotted half = 54" according to the audio on the Tapspace website.
Joe - thanks for pointing this out! Dang, looks like we need to up our proofreading game!
We'll have this fixed in the next batch of reprints. Thanks for helping us dial in the accuracy on these, and please accept our apologies for the error.