I played Contrapunctus I-Soprano (The art of the Fugue, BWV 1080) J. S. Bach. It is from Organ Sight - Reading Master Course (Week 1, day 1) by Vidas Pinkevicius. I played right hand only.
Course you can find here
https://secrets-of-organ-playing.myshopify.com/products/organ-sight-reading-master-course?_pos=1&_sid=9b6ecfd24&_ss=r&ref=vovdfh6qpam
