A virtuosic A minor sonata for this group of instruments was written for Queen Elisabeth of Belgium. Students often perform from a set of 44 works for this group (10[1])of instruments by Bartók. A concerto opens with this group of instruments in fugue playing a theme beginning with [read slowly] the sixteenth-note run “D E F G A, up to eighth-note D.” Piano accompanies this group (-5[1])of instruments in a Sarasate (“sa-ra-SAH-tay”) piece inspired by his birthplace (-5[1])of Navarre. Six B2TSM music videos were released in 2024 as (10[1])a send-off for (10[1])an Australian YouTube channel (-5[1])whose name references this group (-5[2])of instruments. (-5[1])Bach’s D minor concerto for this pair of instruments was performed in 1905 by Fritz Kreisler and (10[1])Eugène Ysaÿe (“oo-ZHEN ee-ZYE”). For 10 points, what pair of instruments are joined (-5[1])by viola and cello in a (10[3])string (10[2]0[1])quartet? ■END■