One of Pound and Pumpkin's classmates. She was also born in the same hospital as them. she is not an original oc, this is her as a younger baby:

http://mlp.wikia.com/wiki/File:Amethyst_Beat_S02E13.png

About her: She loves music and beats of all kind, she is a huge fan of DJ PON-3 and Sweetie Belle, and also hopes to be a DJ or a musician some day. She is somewhat a tomboy, but more on the quiet side. She has little to no friends, but when she listens and practices music, she becomes another pony entirely.