"I Cram to Understand U (Sam)" is the debut single by American rapper MC Lyte, in which features their DJ, DJ K-Rock, released in 1987. The song was part of her first album Lyte as a Rock, released the following year. Produced by Milk Dee and DJ Gizmo from Audio Two, the song seeks to warn about the dangers of drug use and its impact on relationships. In January 1998, the song was included on The Source's "The 100 Best Rap Singles of All Time" list.