Something possibly that is related to podcasting in some way or at least get that point across might be nice.

I think something retro would be pleasing and be a good fit. Basically the idea of the business is that podcasting will become the new radio. So retro kind of fits in a way and that is what I like.

Old chocolate company logos could be something to model also:

https://i.pinimg.com/originals/c6/a5/d6/c6a5d65e6153b64ba93f0f36ba2ddd1c.jpg

http://i2.wp.com/americaniconstemeple.files.wordpress.com/2013/04/hershey-bar-1.jpg?w=690&amp;ssl=1

http://d13z1xw8270sfc.cloudfront.net/origin/1978/a_w_root_beer_logo.jpg

https://www.cadburyworld.co.uk/sitecore/content/cadburydev/com/website/home/~/media/cadburydev/com/images/story/HERITAGE_IMAGES_0016_17_IMAGE_ORIGINAL_CDM_WRAPPER.png

PodFudge