Because Larry, by then, was a drummer, who would sort of get bored and tired, and rather stand up and blow kisses to people. So we needed the bass to sort of drive along.
Imagine if you had baseball cards that showed all the performance stats for your people: batting averages, home runs, errors, ERAs, win/loss records. You could see what they did well and poorly and call on the right people to play the right positions in a very transparent way.

