"Crazy in Love" is a song by American singer and songwriter Beyoncé featuring rapper Jay-Z. She wrote the song with him and Rich Harrison, and co-produced it with Harrison. It contains a sample of the Chi-Lites's 1970 song "Are You My Woman ", resulting in the group's Eugene Record receiving a writing credit. "Crazy in Love" is a pop, hip-hop, and R&B track with elements of 1970s soul and funk. It is a love song whose lyrics portray a romantic fixation that leads the narrator to behave unusually. Columbia Records released "Crazy in Love" in the US on May 18, 2003, as the lead single from Beyoncé's debut studio album, Dangerously in Love (2003).