Sinfonias BWV 787-801 (Three Part Inventions) (Piano Solo). By Johann Sebastian Bach (1685-1750). Edited by Rudolf Steglich. For Piano. Piano (Harpsichord), 2-hands. Henle Music Folios. Pages: IX and 38. SMP Level 10 (Advanced). Softcover. 48 pages. G. Henle #HN360. Published by G. Henle (HL.51480360).
This title has selections that range in difficulty from SMP Level 9-10.
About SMP Level 10 (Advanced)
Very advanced level, very difficult note reading, frequent time signature changes, virtuosic level technical facility needed.