atum! is the alias of Guilherme Sousa, under which he has independently released music since 2011, focusing on exploratory electronic and leftfield dance sounds. In 2026 he started his second alias LD archiv. Under his real name, he also works as a DJ, having played at venues such as Lux Frágil, Vago, and Galeria Zé dos Bois.

CREDITS
All music by Guilherme Sousa.
All artwork by Guilherme Sousa except for “Ringtones” album cover and “Regresso” music video (both by Laura Araújo).