 Yeah, so there's a lot that goes into it. But I think one thing that might be interesting to you and the listeners is around just the shaping of this and really being tour driven and tour designed. In the past, we would try to get the tour input, put out a wedge, take it out on tour, try to get adoption. We really wanted to approach that in a different way with Opus here. So we've actually been working on prototypes for this for over two years. And we had an Opus prototype in play