In 2011, two different Chiefs legends passed away. First was Tony DiPardo, the leader of the Chiefs TD Pack Band. Next came Bill Grigsby, long time Chiefs radio broadcaster. These two men were a big part of the Chiefs family for more than 40 years.
The Chiefs website has a great write up and video on both of these outstanding men. Here's a link to the story and video for both:

Remembering
Mr. Music
By Josh Looney
Posted Jan 27, 2011 - From KC Chiefs
Website:
Tony DiPardo's "thumbs-up" enthusiasm was unmistakable at Arrowhead.
For the better part of five decades, Tony DiPardo breathed life into Arrowhead
and Municipal Stadium. Dipardo, better known to Chiefs a fan as “Mr.
Music,” represented all that was right about Sunday’s in Kansas
City. His unwavering enthusiasm and unconditional love for the hometown
Chiefs helped DiPardo become an iconic part of franchise history.
On Thursday morning, the Chiefs said goodbye to the leader of Kansas City’s
infamous TD Pack Band. DiPardo had been hospitalized since suffering a brain
aneurysm on December 16th. He was 98 years old.
“Mr. Music” developed a personal connection with nearly everyone
he came into contact with. He was originally called on by Chiefs Founder
Lamar Hunt to lead the Chiefs in-game pep band in 1963 and was a fixture
on Sundays for over 40 seasons. The red trumpet-toting band leader had such
a profound impact on the club’s gameday pageantry that Pro Football
Hall of Fame coach Hank Stram personally awarded Dipardo with a Super Bowl
IV ring.
DiPardo’s personal connection often times traveled much farther than
the front office, the stands, or even the sidelines. Touched by his trademark
“thumbs-up enthusiasm,”many players made it a point to celebrate
home scores with DiPardo. Former WR Dante Hall developed a close relationship
with DiPardo during the first his record-setting return seasons in 2002.
Their friendship continued once Dante’s playing days had ended in
Kansas City.
Here’s how DiPardo remembered the beginning states of he and Hall’s
relationship, according to his book Life, Love, Music and Football…
On December 8, 2002, the Chiefs were playing St. Louis. It was a big rivalry
game and everyone was talking about how the Rams were the best team in the
state. Well, they weren’t the best team in the state on that day.
And my good friend Dante Hall played one of the biggest roles in the Chiefs
49-10 victory.
I didn’t even know Dante before the game. I’d read about him
and watched him play the previous season, but I didn’t know him.
Anyone who has ever been to a Chiefs game, with little doubt, knows that
I get very excited when the Chiefs score a touchdown or make a big play.
But on this particular cold December afternoon, the old man got so excited
that my toes tingled and the tears just ran down my face. IIt was because
Dante returned a kickoff 86 yards for a score. I was sitting in my director’s
chair with a Chiefs blanket over my legs just watching the play when all
of a sudden, Dante broke free, he crossed the end zone and ran right up
to me and handed me the ball. I was so shocked. I couldn’t believe
it! Dante was giving the
ball to me! I’d seen players spike the ball, slam it like a basketball
over the goal post, toss it to some fans or hand it to an official, but
never had I personally been on the receiving end of getting a football after
a touchdown. I didn’t’ know what to say or do. I was speechless.
I just stood there and looked up in the stands and all the fans were cheering.
Of course they were cheering for Dante. But then, they began cheering for
the old man, and I just felt so happy and excited. It was a feeling that
started in my heart and went through my body like a rocket. I showed the
ball to my daughter, Patti, and we were hugging, and the guys in the band
were giving me high fives and I just couldn’t stop thinking about
Dante. Why on earth would someone like Dante Hall even think of an old guy
like Tony Dipardo? I soon found out that Dante Hall knew more about me than
I did about him.
To Tony, the Chiefs say, “thank you” for bringing life and joy
to the organization and fan base for so many years. "Like all Chiefs
fans, our thoughts and prayers are with Doddie, Patti, Tony Jr., Jimmy and
the entire DiPardo family at this difficult time,” Chiefs Chairman
and CEO Clark Hunt said, “Tony’s passion, commitment and dedication
to the Chiefs brought joy and excitement to every fan that heard his music
at Arrowhead Stadium. He is a treasured part of Chiefs history, and he will
be dearly missed.”
Tony is survived by Doddie, Tony Jr., Jimmy, Patti and the entire DiPardo
family. DiPardo's daughter, Patti DiPardo-Livergood, led the TD Pack Band
in its last 20 seasons and has performed the National
Anthem at Arrowhead over 40 times. DiPardo-Livergood continues to remain
an integral part of planning gameday entertainment at Arrowhead.

Bill Grigsby was part of the Chiefs radio broadcast team since the team moved to KC in 1963. Grigsby was part of the game broadcast team for more than 40 years. He was a true character and legendary party animal.
From the Chiefs PR Staff February 26, 2011
Chiefs Mourn The Passing of Bill Grigsby
The Kansas City Chiefs are saddened by the passing of longtime Chiefs icon and broadcaster Bill Grigsby. Grigsby retired in 2010 after a 62-year career in broadcasting. He enjoyed a remarkable and memorable career that spanned over six decades calling the action and entertaining fans. The Chiefs honored him with an on-field pre-game ceremony during the 2010 season with a replay of some of his most memorable play-by-play calls.
“Like all Chiefs fans, our thoughts and prayers are with Fran and
the entire Grigsby family at this difficult time,” Chiefs Chairman
and CEO Clark Hunt said. “Bill’s voice brought some of the most
memorable action and exciting plays in Chiefs history to our fans. He will
be truly missed.”
Grigsby became a vibrant part of the Chiefs broadcast scene in ’63
after he and the first of his many partners, Merle Harmon, defected from
the Kansas City A’s to join Lamar Hunt’s upstart American Football
League team. He owns the distinction of calling the play-by-play for both
Super Bowl I and Super Bowl IV.
As versatile as he was enthusiastic, Grigsby
broadcast games in both the AFL and the NFL, in addition to working in Major
League Baseball and the National Hockey League. He has been honored with
the Regional Media Hall of Fame Award from the Department of Communication
at Missouri Southern State University. He has also earned spots in the Missouri
Sports Hall of Fame and in the National Association of Intercollegiate Athletics
(NAIA) Hall of Fame.