Musical instruments connected to Jewish musicians and the Holocaust are making their way to Iowa for a series of programs.

Encased in glass, each violin represent a heartbreaking story. Jewish musicians played these instruments in concentration camps and ghettos during the Holocaust for survival, resistance or comfort.

The song is called “I Hate A Cappella,” and the joke is that it was composed and performed by an a cappella group, The Richter Scales. The group, comprised largely of Ivy League tech workers in San ...