What's Up with That (ZZ Top song)

"What's Up with That" is a song by the American rock band ZZ Top, featured on their 1996 album Rhythmeen. It stands out from much of ZZ Top's catalog due to its unusual musical arrangement, featuring a strong, driving rhythm section and prominent use of keyboards and synthesizers, a significant departure from their signature blues-rock guitar sound.

The song retains the band's characteristic humor and innuendo, even with the shift in musical style. Lyrically, "What's Up with That" deals with themes of confusion, curiosity, and the band's bemused reactions to cultural trends and unusual situations. It asks the question, "What's up with that?", across a variety of scenarios, expressing a kind of bewildered observation of the world around them.

Despite its unique sound compared to other ZZ Top tracks, "What's Up with That" was released as a single and received some airplay. The song is notable for showcasing the band's willingness to experiment with different musical styles and incorporating elements of contemporary music into their sound. It remains a point of discussion among ZZ Top fans regarding the band's sonic evolution during the mid-1990s.