show called "Casey's Top 40" in 1989. The new show used a different publication's chart, but it was the same old Casey: smooth, cheerful, full of information.

"The magic of Casey is that he is the ultimate professional in whatever he does. ... He enlightens, he explores, he suggests, he provokes and he informs," fellow DJ Gary Owens told Billboard in 1997.

Kasem acquired the name "American Top 40" and in 1998 resumed hosting the program with a new syndicator. (The ABC show, with Shadoe Stevens replacing Kasem, had been canceled in 1995.) He handed off to Ryan Seacrest in 2004, though he continued with two other shows, "American Top 20" and "American Top 10," until signing off in 2009 -- as always with his trademark line, "Keep your feeton the ground, and keep reaching for the stars."

Kemal Amin Kasem was born in Detroit in 1932. He first tried radio while in high school but found he had a talent for it while serving in Korea with the Army. He was a DJ on the Armed Forces Radio Network.

After stops in several cities, including Flint, Michigan; Buffalo, New York; and San Francisco, he joined KRLA in Los Angeles in 1963, partly in hopes of an acting career. He did earn roles in a number of low-budget movies -- the most famous of which was probably "The Incredible 2-Headed Transplant" (1971) -- but his voice was always his ticket to fame, whether appearing on a Dick Clark-produced TV show, "Shebang," or voicing the character of Shaggy on the