If you purchase this song on iTunes, money will go directly to aid to Puerto Rico. If you listen to it on Spotify (or another music streaming platform) and click "Donate", your money will also go to aid Puerto Rico.
This song was released on Friday and went immediately to Number 1 on iTunes. It was written specifically as a fund raiser for Puerto Rico's victims of Hurricanes Maria & Irma, by Lin-Manuel Miranda, creator of Hamilton, the hit Broadway show. He was joined in the studio by many of the most popular Latino/Latina recording artists in the USA, including J-Lo, Gloria Estefan, Marc Anthony and many more.
Note: The title comes from the chorus of "Maria", from the famous musical West Side Story.