Cage (aka Karl-Oskar Gummesson) is a producer/songwriter based in Stockholm, Sweden. He signed to The Kennel with a strong focus on the Asian market. Some recent releases include SHINee, Monsta X, EXO-CBX, King & Prince, W-inds, LOONA, OWV, etc."
 
Cage co-produced "Attention" for SHINee's album "Don't Call Me," and it topped the Gaon Chart and iTunes Top Album chart in 45 regions worldwide.
 
Cage is also deeply involved in the Chinese music market. He produced the single "Made to Love" for the Chinese artist Xiao Zhan. It became the best-selling record in Chinese music history, sold over 30 million copies, ranked No.7 on IFPI Global Digital Single Chart 2020. He also produced three soundtracks for the Chinese E-sports drama "Falling Into Your Smile" (sung by WayV etc.).
In 2021, Cage wrote and produced the World Championship Theme Song "Rise To The Top" for Mobile Legends: Bang Bang, the most popular mobile game in Southeast Asia with over 1 billion downloads and over 100 million monthly players.