Rabbids Go Home .sns by puggsoy at 5:56 PM EST on December 16, 2014
The game Rabbids Go Home has .sns files containing its audio. Once the first 32 bytes are removed the header looks extremely similar to the ones from Just Dance 3, which vgmstream can decode (relevant thread here).
If it would be possible to modify vgmstream to support these that would be really awesome. Here are some sample files.