When playing a blues solo, and for simplicity's sake, let's just say its in the standard blues key, where you can play a pentatonic with a sharp 6 (Dorian) scale for the "1" part of the solo: When the band is playing the "1", what are the best notes to start a solo on? And, then, what's the best note to end the "1" section on? Same questions for the "4" parts and "5" parts of the solo. Let's keep the numbers steady, so when the solo shifts to the 4, the 4's root is still called 4. Make sense? For example, you could just say, "Start and stop on the 1 when you're in the 1; 4 to 4 in the 4, and 5 to 5 in the 5." But I do that now (sometimes) and it just seems so, well, uninventive. And I like starting on the 7 in any of the three parts, but is that the best? I hope I'm not being too confusing. And, if you must, go ahead and get technical. I can follow along with just about any explanation.