Ming-Na Wen (Dr. Jing-Mei Chan) and Gedde Wantanabee (Nurse Yosh Takata) voiced character in "Mulan" and "Mulan II" - Wen and Mulan and Wantanabee as Ling.
The title comes from the 1921 song "April Showers" written by Louis Silvers with lyrics by B. G. De Sylva first sung by Al Jolson in the 1921 Broadway musical "Bombo".