Choral Choir,Choral (2-Part) - Level 3 - Digital Download SKU: A0.1372290 Composed by Music by John Stafford Smith, Words by Francis Scott Key. Arranged by Michael Kaas. A Cappella,Patriotic. 2 pages. Michael J Kaas #881990. Published by Michael J Kaas (A0.1372290). An a cappella duet of the U.S. National Anthem.  Melody is fairly true to the original with an added harmony part.