The May 14 ceremony will also salute the previous year’s top composers for film, TV and visual media.
For the first time, scores from the most popular video games of the previous year were honored.
He won back-to-back Primetime Emmy Awards in 2018-19 for his work on the HBO series Game of Thrones.
Atli Örvarsson received the most awards of the evening – a whopping six – for his work on two hugely successful TV franchises.
Lennertz has received Emmy nominations for Supernatural and The Boys.