Fried und Freud ich fahr dahin composed in 1671 reflecting the death of Menno Hanneken, and the elegy Klag-Lied (Song of mourning, lament), BuxWV 76b, an aria...

for the four stanzas in complex counterpoint as a funeral music for Menno Hanneken, Mit Fried und Freud, which he later expanded by a Klag-Lied (lament)...