Once I had the band, Jason [Moran] and John [Patitucci] and Eric [Harland] - it's very exciting to have that trio of just world-class guys - I already knew it was going to be fantastic. I didn't really tell them anything about it. They didn't know what they were going to play beforehand.

I'm listening to a lot of Drake, and a lot of Frank Sinatra just because it's his centennial also. I'm going to be doing some tributes to him this year. I love that Beck album. It was funny to me because my two favorite albums of the year were definitely the Beyonce album and the Beck album.

When I sort of step in my jazz world, it's somewhere between instrumental jazz and vocal jazz.

I actually started the whole project some years ago with a live debut at Ancienne Belgique in Brussels. The focus was mainly on my favorite period of Billie Holiday, which was the late-50s Verve recordings, with essentially a small version of the Count Basie band.

There's a more experimental album that follows that, which is like Black Magic and While You Were Sleeping. Then there's a return to jazz, For All We Know and Yesterday I Sang The Blues. It wasn't like a planned thing, I just kind of realized it when I made a list of my albums. Like, oh wow, this is exactly what I did before.

I feel like, in many ways, Billie Holiday's still very under-appreciated as an artist. People focus on her voice, and all of the very recognizable vocal things that she does, which are great. But I wanted to, with this project, start the conversation again about her as a radical feminist, as a civil rights activist - taking a stance. And also just [her] being a non-conformist.

For me jazz is kind of an extension of hip-hop. Kind of the sad thing is that a lot of jazz people just listen to jazz, and a lot of hip-hop people just listen to hip-hop, and there's not a lot of crossover, unfortunately.