There is a reason that there is no saxophone solo in Deep Purple’s song Child in Time. My guitar teacher at The Musician’s Institute told me why. The men from Purple invited then up-and-coming sax player David Sanborn to play on the track. Sanborn obliged and turned up ready for work at the studio. The band sat in the control room and Sanborn stood with his sax the other side of the glass in the sound room. Apparently Sanborn had not heard the track before so listened to it a couple of times before doing a take. On his fist try he got a couple of bars in before he…