Listen to Jephtha, HWV 70: Act II Scene 3: Air: On me let blind mistaken zeal (Hamor) online. Jephtha, HWV 70: Act II Scene 3: Air: On me let blind mistaken zeal (Hamor) is an English language song and is sung by James Gilchrist. Jephtha, HWV 70: Act II Scene 3: Air: On me let blind mistaken zeal (Hamor), from the album Handel: Jephtha, was released in the year 2011. The duration of the song is 1:54. Download English songs online from JioSaavn.