Ballard High School Women's Chamber Choir performs "Mr. Sandman" (Pat Ballard, arr. Madelyn Curtin) & "Please Mr. Postman" (Robert Bateman, Georgia Dobbins, William Garrett, Freddie Gorman, and Brian Holland, arr. Roger Emerson) at the 2016 Spring Choir Concert, directed by Courtney Rowley, May 26, 2016, Seattle, Washington.