Choral Choir (SATB divisi) - Level 5 - Digital Download SKU: A0.1106173 Composed by Irminsul. 20th Century,Contemporary,Contest,Festival. Octavo. 6 pages. Irminsul #709287. Published by Irminsul (A0.1106173). For SATB choir, this is an original piece based on the Robert Frost poem To The Thawing Wind. Advanced choir, with some divisi parts.