Question: Who is the spouse of the performer of song All About You (Hilary Duff Song)?
Sentence (from "All About You (Hilary Duff song)"): Written by Duff, Kristian Lundin, Savan Kotecha, and Carl Falk, "All About You" a folk pop and pop rock song, having a banjo, handclaps, and a "heavy hand" drum as the song's instrumentation.
Relevant evidence: No