The Icelandic musician was 48.

The cause of death is unknown.

Im so very sad, Johannssons manager, Tim Husom, said in a statement.

Today, I lost my friend who was one of the most talented musicians and intelligent people I knew.

We came a long way together.

In 2017, he provided the classical-meets-electronic sounds formother!.

His most recent work includes a score forMary Magdalene, which stars Rooney Mara, for director Garth Davis.

His music has inspired many new generations of filmmakers and composers.

He will be so greatly missed by his Gorfaine/Schwartz family as well as the entire film music community.

Johannsson is survived by his parents, sisters, and daughter.

Several of Johannssons fellow composers shared their thoughts on his passing on Twitter: