Oscar Leiva (Apopa, San Salvador, December 8, 2000), better known by his stage name MÖEM, is a Salvadoran producer, disc jockey, composer and musician. He is best known for his singles Broken Heart in collaboration with Holly Drummond, Give You My All in collaboration with Albron and Nick Stonestreet, and I'm Safe.
In 2013, at the age of 13, he teamed up with his cousin EXTERNUS where he was a beat maker. He started producing Hip-Hop / Rap instrumentals when he was 13 years old. In 2015 he wanted to start a career as a producer, focusing mainly on electronic music. Leiva released his first singles (currently deleted) via YouTube under the stage name Double H Dj. On March 11, 2017 and under the stage name MÖEM, he released his first debut album called A Little Of My. On June 7 of that year he published his second single called Give You My All. On July 05, 2018 he created the record label DAFKE Records, which had a distribution contract with The Recording Consort.
He worked alongside various artists, such as Albron, Nick Stonestreet, Holly Drummond, D-Snow EXTERNUS, among others. He remixed various songs throughout his career, such as "Let Me Love You" by Justin Bieber and DJ Snake, "Shape of You" by Ed Sheeran, "Alone" by Marshmello, among others.