"Heart's Ease" sounds too much like Heart Disease.

The Black Death Minstrel Show might be thought tasteless by the many people who found the racist nature/overtones of The Black And White Minstrel Show objectionable. Replacing Minstrel with something else - Pavane, Troubadour, Galliard, Crumhorn - might distance it a bit more.

The Black Death Pavane Duo.

Actually, maybe better to avoid "duo" in case you get a third member.

Black Death Danse Macabre might be going too for any tiny tots you intend to deal with.