String Ensemble,String Trio Viola - Digital Download SKU: A0.505352 By Terry Cathrine. By Franz Joseph Haydn. Arranged by Terry Cathrine. Classical. Score and parts. 5 pages. Published by Terry Cathrine (A0.505352). The theme from the slow movement of Haydn’s Surprise Symphony, so called because of loud chord in bar 16 designed to wake up the audience after the quiet opening. Arranged for 3 violas. All parts are included.