If I'm having a smoke while driving the choices range from Bach to Vampire Weekend. I don't smoke indoors (unless you count the car and then the windows are all rolled down) so I'm playing music in my head, or whistling something. Then it's anything that I've committed to memory, which could be Bach, Mozart, Scarlatti, Verdi, Beethoven, Chopin, Ravel, or any of dozens of other classical composers, Ellington, Miller, Goodman, Brubeck, The Beatles, The Doors, Lady Gaga, or any of dozens of other jazz or rock performers and composers. I'm familiar with thousands of pieces of music, which is both a blessing and a curse. Which Beethoven 9th should I listen to in my head, Toscanini, Mengelberg, Von Karajan, Walter? And which performance by any of these? Or maybe a Chopin Barcaroll! Hoffman, Rubenstein, Rosenthal, Horowitz? Crazy, but at least I don't run out of choices...
But then, which pipe or tobacco to pair with the music?