Listen to I Have Confidence (Alternate Version) online. I Have Confidence (Alternate Version) is an English language song and is sung by Julie Andrews and Irwin Kostal. I Have Confidence (Alternate Version), from the album The Sound Of Music (Original Soundtrack Recording / Super Deluxe Edition), was released in the year 2023. The duration of the song is 3:35. Download English songs online from JioSaavn.