Lin-Manuel Miranda, the creator of the Tony Award-winning musical “Hamilton,” took to Capitol Hill on Wednesday to push lawmakers to preserve federal arts and humanities funding — and to take a few rides on Congress’s subway system. 

Miranda is in Washington to accept the U.S. Capitol Historical Society’s 2017 Freedom Award. He’s also lobbying Congress to preserve $150 million in funding for the National Endowments for the Arts and Humanities.

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Despite the weight of his mission, Miranda spent part of Wednesday singing show tunes as he rode back and forth in the trains connecting the Senate and House chambers with the nearby office buildings. 

Secret Congress train w @EspaillatNY & @Vegalteno pic.twitter.com/CsZI4I5Tx8

— Lin-Manuel Miranda (@Lin_Manuel) September 13, 2017

Showtunes on Secret Congress Trains Pt 2 pic.twitter.com/GShwzjafld

— Lin-Manuel Miranda (@Lin_Manuel) September 13, 2017

Secret Congress Train Showtunes Pt. 3 pic.twitter.com/EMbC5STJm6

— Lin-Manuel Miranda (@Lin_Manuel) September 13, 2017

Secret Congress Subway
Hip-Hop Tunes w @Vegalteno! pic.twitter.com/bGhhrN6YcX

— Lin-Manuel Miranda (@Lin_Manuel) September 13, 2017

And now the Secret Congress Train Showtunes Grand Finale! Feat. @slesin and everyone on the train! pic.twitter.com/ZJhaC7XlJr

— Lin-Manuel Miranda (@Lin_Manuel) September 13, 2017

But the “Hamilton” creator did more than sing show tunes. He also met with lawmakers, including Sens. Elizabeth Warren (D-Mass.) and Susan Collins (R-Maine), about funding the NEA and NEH.

Thank you for supporting the arts & humanities Senator Collins! pic.twitter.com/oifGd72387

— Lin-Manuel Miranda (@Lin_Manuel) September 13, 2017

It was wonderful to see @SenWarren and @Lin_Manuel discuss the importance of the arts & humanities! Many thanks for your continued support! pic.twitter.com/7E1mktaZh1

— HumanitiesAlliance (@HumanitiesAll) September 13, 2017

.@Lin_Manuel thank you for being a champion for @NEHgov. Don’t be shocked when your history books mention him! @HamiltonMusical pic.twitter.com/EcfZEflh9g

— David E. Price (@RepDavidEPrice) September 13, 2017