peace. >> reporter: as refugees step into poland from ukraine, they arrive to an unexpected sound. ♪ ♪ >> reporter: a man at the border crossing playing his heart out just for them. >> i'm just trying to welcome all the refugees and i know that all those people hear bombing, guns shooting, cannons and whatever. >> reporter: he traveled from germany. >> the peace is starting right here. >> reporter: a piano man for peace. >> i have a trailer and i just drove like 17 hours straight. ♪ ♪ >> i turn the music very loud so they can hear me everywhere.