Bach, JS: Ich glaube, lieber Herr, BWV 109 - No. 1, Chor."Ich glaube, lieber Herr, hilf meinem Unglauben" (第109号康塔塔，作品109“我相信，亲爱的主，帮助我的不信！” - 第1首 合唱：“主啊，我信不足，求主帮助！”)-Concentus Musicus Wien

Bach: Sacred Cantatas, BWV 100 - 117

The opening chorus shows many elements of a concerto grosso. In the instrumental ritornello, oboe 1 and violin 1 form the concertino. The vocal parts appear sometimes as a solo or duet, expressing bel...