Rudolph Loyola Lopez, known professionally as Soundtrakk, is an American Grammy-nominated record producer from Chicago, Illinois. He is best known as the longtime in-house producer for American rapper Lupe Fiasco, having produced singles such as "Kick, Push," "Superstar," "Hip-Hop Saved My Life," and "Dumb It Down". He fully produced two of Fiasco's albums, Drill Music in Zion (2022) and Samurai (2024). Soundtrakk has also worked with artists including Mez, CyHi the Prynce, Stalley, and Logic.