Bernie Williams played both the U.S. and Puerto Rico anthems on jazz guitar at Hiram Bithorn Stadium

On Tuesday night, the Indians and Twins played the first game of a two-game set in Puerto Rico -- the first time there have been regular-season games there since 2010. 
A series this anticipated calls for some special pregame activities. Before first pitch, there was a special on-field presentation of a $1 million donation to Habitat for Humanity in its efforts to provide aid after Hurricane Maria. Puerto Rico's own Bernie Williams was on hand for that ceremony, but that wasn't the extent of his participation.
Williams, a Grammy-nominated jazz guitar virtuoso, then serenaded the masses at Hiram Bithorn Stadium with an electric guitar version of the anthem of Puerto Rico, "La Borinqueña," accompanied by Pedrito Guzman:

Then, as seen atop this post, Williams performed the "Star-Spangled Banner" by himself ... and it sounded pretty great.