From reshareworthy.com:
An 800-Year-Old Hymn Is Sung In A Train Station. This Was So Amazing, These Guys Gave Me Chills!
These kinds of things don’t happen every day, so when the group Árstíðir went into a train station in Wuppertal, Germany and sang the 13th century Icelandic hymn “Heyr himna smiður”, it blew everyone away!