Olivia Rodrigo, Olivia Dean, Role Model, KATSEYE, Sienna Spiro, Ayra Starr, Aitana, Tucker Wetmore, Conan Gray, Leon Thomas, EJAE, Audrey Nuna, Rei Ami, Jelly Roll, Noah Kahan, Yungblud, Lola Young, Jon Batiste seen in Los Angeles for Universal Artist Showcase