During this time also came the emergence of R&B songwriters. Bryan-Michael Cox co-wrote Usher's "Burn" and "Confessions Part II" (2005), Mariah Carey's "Shake It Off" and "Don't Forget About Us" (2006), and Chris Brown's "Say Goodbye" (2006). Keri Hilson would co-write songs Mary J. Blige's "Take Me as I Am" (2006), Omarion's "Ice Box" (2006), and Ciara's "Like a Boy" (2006). Rico Love co-wrote Usher's "Throwback" (2005), Keri Hilson's "Energy" (2008), Pleasure P's "Boyfriend #2" (2008). The-Dream wrote Rihanna's "Umbrella" (2007), J. Holiday's "Bed" and Usher's "Moving Mountains" and "Trading Places" (2008). Ne-Yo wrote Mario's "Let Me Love You", Rihanna's "Take a Bow" and "Unfaithful", and Beyoncé's "Irreplaceable" (2008).