Yo-Yo Ma wanted to play the double bass, but it was too big for his four-year-old hands. So, he learned the cello. Since then, he has touched the world withe his music. On April 13, 2019, Yo-Yo Ma performed at the US-Mexico border at the Rio Grande as part of his multicontinent "Bach Project" tour. The cello, the music, the performer, and the audience crossed barriers of culture, time and language to unite for a moment with a resounding message -...