Sioux Falls native and acclaimed sound engineer Bryan Carlstrom has died at the age of 51.

After graduating from Washington High School in 1979 and later the University of South Dakota, Carlstrom moved to Los Angeles and became was one of the most important engineers/producers in the world of hard rock, modern punk and metal, having contributed to well over 100 albums, including engineering the Alice in Chains masterpiece ‘Dirt’ and the Offspring favorites ‘Ixnay on the Hombre’ and ‘Americana.’

No official cause of death has been released.

Learn more about Carlstrom's career on his website.