Yes, there was a Star Wars Rebels panel at WonderCon over the weekend, and yes, a teeny tiny bit of new information was released about this fairly-well-guarded upcoming animated series. Concept art was revealed (some of which we’ve seen in featurettes), the composer was confirmed, and best of all, the first full clip was released, and here it is:

Clip: Star Wars Rebels – WonderCon 2014

Here’s a lot more about Hera:
Featurette: Star Wars Rebels – Meet Hera, the Pilot

And another character featurette, this one about the kinda awesome Mandalorian “explosive artist”:

Featurette: Star Wars Rebels – Meet Sabine, the Explosive Artist

Next is the concept art from the panel, including a lot of different looks for Hera:

And finally, we received confirmation that the composer for Star Wars: The Clone Wars, Kevin Kiner, is the composer for Star Wars Rebels. Here’s a featurette about his work:

Featurette: Star Wars Rebels – An Interview with Composer Kevin Kiner

Star Wars Rebels is scheduled to premiere in fall 2014 as a one-hour special telecast on Disney Channel and will be followed by a series on Disney XD channels around the world.