Complex sentence: Abraham is, at the last moment and with knife in hand, stopped by an angel and instead sacrifices a ram to God and the final song, "Transfiguration", a "the bittersweet note of Jesus' requisite suffering".
Split into simpler sentences: Abraham is, at the last moment and with knife in hand, stopped by an angel and instead sacrifices a ram to God. The final song, "Transfiguration", is a "bittersweet note of Jesus' requisite suffering".