Dion revealed in December that she was suffering from Stiff-Person Syndrome (SPS), which was affecting her ability to sing.
Turner began her career in the 1950s during the early years of rock and roll and evolved into an MTV phenomenon.
The Orthodox singer will be the first Israeli artist to headline a concert at New York City’s Madison Square Garden.
Gelman, 46, is best known for his role as Murray Bauman on Netflix’s “Stranger Things,” while Dayan is a singer and performance artist from California.
The NYC native was the one of the first Black artists to achieve widespread commercial success in the US, and while he was raised Catholic, his life frequently dovetailed with Jewish causes.
Geffen, who passed away on Wednesday at the age of 76, was laid to rest on Friday in the Nahalal cemetery.
Not only was Geffen a songwriter, journalist, author, poet, playwright, actor and satirist, he was an Israeli cultural icon.
Sofia Richie revealed that she had been attending conversion classes ahead of her marriage to Elliot Grainge.
The Israeli pop star will perform the new song at the first Eurovision semi-final in May.