There are several artists artists using the name "Max";
1) "Max" is Max Schneider, signed to DCD2. He released Mug Shot and The Say Max - EP in 2014. Gibberish (feat. Hoodie Allen) was released in 2015. His song "Lights Down Low" peaked at #20 on the Hot 100 in 2018.
2) "MAX", which is short for Musical Active eXperience, is a Japanese pop group. Original members Mina, Reina, Lina and Nana formed MAX from their original group ,SUPER MONKEY'S in 1995 and released their debut single in May of that year. Read more on Last.fm