By Grace Gavilanes
Updated Jan 27, 2015 @ 8:06 pm
Credit: Ilya S. Savenok/Getty Images

Below is an excerpt from “The Couple Behind 'Let It Go' Are Writing an Oscar Song for Neil Patrick Harris,” which originally appeared on PEOPLE. Read the full story at

Still hot from their Frozen success at the 2014 Academy Awards, EGOT-winner Robert Lopez and his wife-collaborator Kristen Anderson-Lopez are writing an original number for first-time Oscar host Neil Patrick Harris to perform during the 2015 telecast.

"We are happy to announce [they] have joined our creative fray. What they're doing, I am not at liberty to say," Harris, 41, revealed in a Twitter video message Tuesday morning, before joking, "But I can tell you that it won't be a song called 'Let It O,' with a big, giant Swarovski crystal O in the background."