WATCH: Andy Grammer Sings National Anthem Before World Series Game 1

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Andy Grammer gives a surprise performance at a cancer center in LA in partnership with Ford Warriors in Pink at Providence Saint John’s Health Center on April 22, 2015 in Santa Monica, California. (Getty)

Andy Grammer has been having a good week.

After performing the Paso Doble with Allison Holker on this week’s episode of Dancing With the Stars, the singer-songwriter brought down the house with his rendition of the National Anthem ahead of Game 1 of the World Series on Tuesday night.

Check out his performance right here:

Andy Grammer sings national anthem10/27/15: Singer Andy Grammer performs the national anthem prior to Game 1 of the 2015 World Series Check out m.mlb.com/video for our full archive of videos, and subscribe on YouTube for the best, exclusive MLB content: youtube.com/MLB About MLB.com: Commissioner Allan H. (Bud) Selig announced on January 19, 2000, that the 30 Major League club…2015-10-28T05:28:32Z

Overall, he was pretty psyched about the moment. Grammer posted this on his Instagram on Tuesday afternoon:

Major League Baseball hasn’t yet announced the performer for Game 2 of the World Series on Wednesday. Last year, the league chose two singers with no Kansas City roots to perform the national anthem: country singer Trisha Yearwood before Game 1 and American Idol winner Phillip Phillips before Game 2.