you're gonna see that in our conversation all about this latest albums from the arc of life, which was collaboration with his friend, the pianist kathryn stott. here's yo-yo ma in studio q. and i know i'm talking to a fellow musician., song >> shad: you are talking to a fellow musician. and this is a concept album, which i love. >> yo-yo: yeah. well, you know, it's so funny, because i'm, um, i'm about to enter into my 60th year. um, you know, so what happens when you're 60? um, i don't know. i mean, i thought about it and kathy and i thought about it and said, now, we've always wanted to do an album of pieces that we really loved." >> shad: mm hmm. >> yo-yo: but we felt that was". so for years, we'd sort of, like, put that on hold and say, "well, you know, one day we're gonna do something like this." and, um, and it wasn't until we thought about the fact that we've been working together and been friends for over 30 years and that, that's a pretty long period of time. >> shad: mm hmm. >> yo-yo: and, um, and, you know, a lot of adventures, a lot of, uh, going through stages in life toget