Hide And Seek (song)

"Hide And Seek" is a song performed by Imogen Heap that appeared on her 2005 album Speak For Yourself. It is a completely a cappella song with the artist's vocals recorded through a vocoder. The song gained notoriety through its initial use in a dramatic scene from the TV series The O.C. involving a murder, and has since been used in parodies and memes such as Saturday Night Live's "Dear Sister" digital skit, referred to mostly as "Mmm Wha'cha Say".

Empath: The Luckiest Smurf stories
This song appears in the EMPATH: The Luckiest Smurf as an occasional grief song played whenever a Smurf character loses somebody important to them.