Octavia Melody

Octavia is another famous fan acknowledged character that is in The last season one episode in The Grand Galloping Gala for a few scenes while making classic music. She is shown playing the Double Bass presumably, she played the Pony Pokey by Pinkie Pie's request, falling over when pinkie tries to make her play faster. It is unknown what happened to her at the end of the episode, she was presumably taking a break when chaos broke loose.