One night recently, as I was home struggling to convince my toddler that the floor is not where leftover food lives, John Coltrane and Duke Ellington’s “In A Sentimental Mood” came on the radio. Suddenly, I found myself paying a bit more attention to the music than the drama at hand. Why? Because I knew what was coming....that specific moment in the song that always gets to me. There's a total mood shift as the timing completely changes and you start to notice the drums more and more. And then you start to wonder if the drums were even there at all during the beginning of the tune.