today, 100 buglers gathered at arlington national cemetery to play taps to mark the tragic anniversarynd honor the loan army bugler who rang out over kennedy's funeral 50 years ago. that bugler botched a note, but many saw it as a reflection of america's broken heart. that includes a nine-year-old boy whose touching note left a lifelong impression. >> on november 25, 1963, a mournful nation watched as army sergeant keith clark played taps at john f. kennedy's funeral. he had played the tune flawlessly thousands of times before, but not on that day. clark missed the sixth note, now called the broken note with millions of people watching. >> that one little note effected me. i thought, that guy, he must feel bad. is there anything i can do to console him? >> reporter: ed hunter was ten years old at the time. he decided to write sergeant clark a let tore cheer him up. it was a letter that clark's wife says he kept until he died 11 years ago. >> i wanted to ask you is why he kept my note. >> why did he keep the note? i think it meant something to him. >> reporter: dark's daughter says that

visit to the white house. ,, ,,,,,,,,,,,,,,,,,, arlington national cemetery today to ♪ ♪ >> buglers gatheredmark the 50th anniversary of president's kennedy's assassination. this version of taps was a little different because the bugler who played it at the funeral missed one of the notes. many viewed it as a reflection of the country's sorrow at the time. [ taps playing ] >> it was with six notes, army bugler keith clark was the only one playing at kennedy's funeral. clark's mistake inspired a 9- year-old boy from ohio to write him a letter. >> i started to play about a month before on that one note, the sixth note, he didn't quite hit it perfectly. and the strongest memory of this whole thing i have, is i remember feeling bad for him. i said, he's got to feel awful. because the world is watching him. >> hunter didn't know what to expect, but a month later he got a return letter from clark. clark thanked him for the note and encouraged him to keep practicing and playing the trumpet. tonight, cbs news presents a special edition of 48 hours as it happened, john f. kennedy. bob sheafer takes y

keith clark, the lone bugler sounding "taps" that day, he missed the sixth note and the broken note struck many listening as the sound of a broken heart. today, 100 bugulars gatheredarlington to play "taps," this time hitting the sixth note and every one just perfectly. >> it's kind of, you know, getting to me a little bit. >> reporter: among those watching 50 years ago was a young boy in ohio, an aspiring trumpeter named ed hunter. he wrote sergeant clark a note of support. keith clark died 11 years ago, but today, a 60-year-old ed hunter sat front row at arlington, watching and listening to "taps" being played. even 50 years later, we are still fascinated by new details that emerge about the assassination. for instance, take the limousine that carried j.f.k. that day. you would think they would have retired that car, but as dean reynolds tells us, the limo has a history of its own. >> reporter: to see it now is still jolting-- all polished and presentable without a hint of what happened 50 novembers again. belatedly armexpord topped and bulletproofed. the tragic lincoln limousine at the end of the road in the henry ford museum here in dearborn, michigan. matt an