Thirty-one years and 27 albums in (not including compilations), urban contemporary jazz unit Spyro Gyra are playing with the funky inspiration and clever melodic and rhythmic invention that have made them synonymous with the genre, but that they haven't displayed on their own recordings for some time. This is not to say the quintet have ever been completely off their game. They know what they do, and do it extremely well -- they can make smooth and groove-oriented records all day long -- but the sheer edge and shifty, even knotty melodic ideas on "Good to Go-Go" feel adventurous in contrast to the records they've made since the beginning of the decade where they've fused smooth jazz to some Caribbean, Spanish, and other kinds of world music as well as written and recorded with pop vocalists. The adventure here is in the groove itself. First there is the opener, "Simple Pleasures,"