In his final life year he scored a number one hit with the song "Mr. Blue".
The episode was controversial because De Leeuw took the liberty to crack jokes about Klijn's illness, but at the same time it took away a lot of taboos and tension.
[1] Klijn was in charge of how the episode was supposed to look and invited friends and family members to come and speak, but also his medics.
[1] At the end of the episode they sang a duet, "Mr. Blue", a cover of the band Yazoo, which was also released as a single.
It became a number one-hit in the Netherlands and the money was donated to the AIDS foundation.