Listen to Yes Sir! That's My Baby (From "Broadway - The Musical") online. Yes Sir! That's My Baby (From "Broadway - The Musical") is an English language song and is sung by Musical Score Productions. Yes Sir! That's My Baby (From "Broadway - The Musical"), from the album The Essential Musical Soundtrack Album - The Very Best Stage & Theatre Songs of All Time, was released in the year 2015. The duration of the song is 2:22. Download English songs online from JioSaavn.