For this chain-of-thought reasoning and answer, what was the question?
To answer this question, we should know that: The song was produced by The Neptunes and is credited as being written by Pharrell Williams, Tom Batoy, Andreas Forberger and Franco Tortora.
A: Pharrell Williams , Tom Batoy , Andreas Forberger and Franco Tortora
Q: "I'm Lovin' It" is a song recorded by American singer-songwriter Justin Timberlake. The song was produced by The Neptunes and is credited as being written by Pharrell Williams, Tom Batoy, Andreas Forberger and Franco Tortora.

Based on this passage, who wrote i'm lovin it mcdonald's?