I have been putting together the last of my music for college auditions. I notice most schools require an étude and I haven't wooed on a étude since middle school. Any good suggestions for a standard advanced étude? I'm playing the first movement of the kousevitsky, the bottesini elegy, the prelude to the first cello suite, Beethoven 9 and Mozart 41 so something in that talent range would be ideal.