Double checked the versions:
OS 70.00.100
Music DB 00.08.000
Fail Safe 70.00.100
That looks right. Have you been seeing XM station and music art? Sounds like it but was wondering if you are seeing it on different channels? I see you mentioned it looks like it got hung on some art recently. Where it didn't change/update when the music changed. I've seen this happen once and a while on a local FM HD station. Odd. It'll hang for a day or two and then be fine for some time. Haven't seen it occur elsewhere (stations).