Nice "segue", Ghosthouse, in light of the recent discussion re Sanborn/Crawford; don't know if it was intentional or not. The alto solo on that clip of Paul Butterfield's band is by none other than Dave Sanborn where he earned his stripes for several years before becoming the R&B/pop alto star that he became. That was his first record with the band and shows him still not fully developed as the stylist that he would become. Here is some more bogus blues 😉; I posted this not long ago. Recorded ten years later, Sanborn's tone is fully morphed into what became his signature edgy and overtone-rich sound:
https://m.youtube.com/watch?v=B4GNci5koi8
https://m.youtube.com/watch?v=B4GNci5koi8