Mendelssohn - Beethoven, for Violin, Viola and Violoncello
Adagio und Allegro From Mendelssohn's Youth Symphony X in B minor plus a dash of Beethoven at the end ( op. 30/2 ) https://music-learning.net/work-info/6/Mendelssohn%20F./mendelssohn-beethoven-for-violin-viola-and-violoncello