The sound of the shofar is a part of the religious ceremonies of Rosh Hashanah and Yom Kippur—two sacred Jewish holidays. The shofar is usually made out of the horn of a domestic ram, and its deep call is both beautiful and poignant. Typically, the sound of the shofar creates a solemn mood.
Typically. Leave it to a dog to have other ideas. It’s hard to say what this dog was trying to contribute to the occasion when he added his own voice to the sound of the shofar. Perhaps it was as simple as it sounded like a howl to him, and because howling is often contagious, he just couldn’t help but join in.