Mark Anthony Spears, known professionally as Sounwave, is an American record producer and songwriter. He is a frequent collaborator of rapper Kendrick Lamar, having worked on all of his projects since his 2009 self-titled extended play. Sounwave has also worked with artists such as Taylor Swift, Chloe x Halle, Baby Keem, Mac Miller, and Bleachers. He has won three Grammy Awards, including two for Best Rap Album.

Sounwave