Choral Choir,Choral,SATB Chorus - Level 3 - Digital Download SKU: A0.1471882 By System of a Down. By Daron Malakian, Serj Tankian, and Shavo Odadjian. Arranged by Veronica Haro. A Cappella,Rock. 12 pages. Veronica Haro #1049517. Published by Veronica Haro (A0.1471882). Toxicity by System of a Down arranged by Veronica Haro for SATB choir.