But I haven't really listened to RUSH music, even if I was growing up with rock music and progressive music. On the topic of which RUSH song was most challenging to learn, Anika said: "Every RUSH song is complex and difficult to learn. Anika also talked about her personal and musical chemistry with Lee and Lifeson, explaining: "If you know those two guys, they are so funny and they're so human. But also they love to play music. They are very enthusiastic when it comes to play music.