What are the main instruments used in where is the love?

In "Where Is the Love?" by the Black Eyed Peas, the main instruments include a combination of piano, synthesizers, and percussion. The song features a prominent piano riff that sets the emotional tone, while electronic beats and bass provide a modern hip-hop feel. Additional elements like strings enhance the song's depth, creating a rich backdrop for the poignant lyrics. Overall, the instrumentation supports the song's message about social issues and unity.