The symptoms: I am working with a track that has three drum tracks, guitar, and banjo. (I know, some would consider the use of a banjo itself a problem, but we'll leave that for now.)
![Very Happy :D](./images/smilies/icon_e_biggrin.gif)
The Set-Up: iPad 3rd Generation with 32G. iOS 8.4.1. Presonus 1818vsl. Anker 3.0 powered USB hub. iPad Camera Connection Kit.
What I've Tried: Replaced the powered USB hub, Camera Connection Kit, and all cables. Turned USB Soft Start off. And I always make sure to free the memory before working by double-tapping home button, swiping all thumbnails up to get rid of them, and then rebooting the iPad. I have not yet tried to change the Core Audio setting to Legacy.
Rim told me these symptoms are strange and that no one else seems to be having them. And yes, with extensive searches I only found one person running my set-up that had the exact same problem. You can find it with a search on "Stuttering." However, that person is apparently not on here anymore, and there was no resolution to his problem.
This has gotten very frustrating and I'd appreciate any help anyone can offer. Thanks, Travis.