SSAA choir, Piano - Digital Download SKU: LX.15-2594R Composed by Ruth Watson Henderson. Janet Galván Women's Choral. Concert, General. Octavo. 12 pages. Roger Dean - Digital #e15/2594R. Published by Roger Dean - Digital (LX.15-2594R). Written for Jean Ashworth Bartle and the Toronto Children’s Chorus for Jean’s final concert, this famous poem—“Warning,†by Jenny Joseph—is loaded with humor. As is her hallmark, Ms. Henderson has crafted a piece that stretches young singers to be all that they can be without ever asking too much, with a piano accompaniment that is independent and essential.