und und examine god know heart church bach composed leipzig eighth sunday trinity led performance july work bach annual cycle began compose occasions year took office structured movements choral movements beginning end frame sequence alternating opening movement based verse closing stanza hymn scored vocal alto tenor bass choir strings history words bach took office director church music leipzig sunday trinity began compose occasions year wrote und eighth sunday trinity prescribed readings sunday romans led spirit god sons god romans gospel matthew warning false sermon mount matthew unknown wrote text closely related prescribed gospel text group following structure biblical text aria aria dedicated 8th 14th 21st 22nd sunday trinity second sunday easter opening chorus based focused examination believer heart god closing stanza hymn melody bach base bach scholar concludes middle section movement composed certainty parts rely unknown secular church according conductor scoring structure movements scored vocal alto tenor bass choir horn violins viola marked kept berlin scholars including believe second choral movements played title original parts reads post und viola sign following table movements scoring keys time signatures taken symbol common time instruments shown separately winds strings playing shown music opening chorus expands verse und examine god discover heart music style expresses confidence facing examination characterized somewhat like rapid arrow stream der movement structure parts choral themes presenting complete text extended instrumental dominated horn heard choral sections preceded choral statement movement play independently double violins soprano vocal sections horn parts intended exceptional bach material movement later cum major der die curse strikes earth renders contrasting change mood bach interprets curse sin hopeless situation humans threat judgment music alto aria tag day come accompanied according middle section wrath vengeance certainly composed middle section marked common time contrasting section marked time signature die heavens pure tends measures violins accompany duet tenor bass der sin voices sing imitation style bach wrote earlier career der blood noble juice expanded parts combination chorus accompanying violin similar written earlier bach selected recordings listing taken selection provided bach website instrumental roughly marked large red background boys bach 1950s instrumental groups playing period instruments historically informed performances highlighted green
Erforsche mich, Gott, und erfahre mein Herz, BWV 136