So, I must confess that there are string quartets out there that bore me to tears. However, as I type this, I'm listening to Beethoven's string quartet No. 16 in F, Opus 135, and it does not bore me to tears. It's too much fun.
And now, stand back, because I'm going to tell you why. :o)
At the top of the score of the last movement of this quartet, Beethoven wrote the words "The Difficult Decision" (except he wrote them in German). Then, he wrote the words, "Muß es sein?" ("Must it be?"). The cello and viola open the movement with three notes that seem to be asking that question: "Must it be?" As the movement continues, you can hear the violins and the cello/viola repeating the question, sometimes passing it back and forth to each other. All the instruments sound very worried about it, very full of angst.
Then, a bit later on, right where the piece jumps back into happy, cheerful F major, Beethoven seems to have made his deci…