Shaquille O’Neal conducts the Boston Pops Orchestra and the Tanglewood Festival Chorus on Monday (Dec 20) at Symphony Hall in Boston, Mass.

Speaking to ESPN, the Boston Celtics player said “[Celtics PR director Heather Walker] asked me if I wanted to conduct the orchestra, I was like, seriously, like a real orchestra?” He added “I have a whole new respect for conductors.”

The 38-year-old athlete conducted performances of “Sleigh Ride” and “We Are the Champions” at the show! -  “I went through a rehearsal today, and my arms are shot right now.”

Check out the video above