Bach, JS: Sie werden euch in den Bann tun, BWV 183 - No. 4, Aria."Hochster Tröster, Heiliger Geist" (第183号康塔塔，作品183“他们将受罚” - 第4首 咏叹调：“圣灵啊，至高保惠师”)-Nikolaus Harnoncourt

Bach, JS : Sacred Cantatas Vol.10 : BWV 183-188, 192, 194-199

The second aria is accompanied by the strings and the two oboes da caccia in unison as obbligato instruments, thus both arias are dominated by instruments with a relatively low range (oboes de caccia ...