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On AllMusic, Scott Yanow said, "Garcia is quite credible as a jazz improviser without attempting to be a virtuoso; he apparently loved the music and does not sound at all like a rock player. The versatile Grisman effectively updates his swing style, and the rhythm section is driving and supportive despite being quite light in volume.... A nice surprise that is well worth checking out. "
In The Music Box, John Metzger wrote, "Over the course of So What's 60-minute length, Garcia and Grisman strike up a musical conversation in their own perceptive and unique manner. They each smoothly make the transition between soloing and rhythmic accompaniment, giving one another plenty of room to fashion their acrobatic musical maneuvers. The result is an immaculate disc of free-flowing, mind-blowing jazz interpretations."
