The music community unites to raise money and support for Japan earthquake and tsunami relief efforts NICK KREWEN GRAMMYS   MAY 15, 2017 – GRAMMY.com On March 11, within hours of hearing about the tragic magnitude 9.0 earthquake and the subsequent devastating tsunami that decimated Tohoku, Japan, Costa Rican composer/singer/producer Jorge Castro knew he had to respond. So he called 14 of his well-known friends — singers Michelle González and…