Christina Viola Oorebeek (1944) is an American-Dutch composer.

The following works have been added:

• Afterwalk (après promenade) : for partially prepared piano added to level 9.
• Tremors and Quakes added to level 15.
• Prismatic blues added to level 13.

Afterwalk

aprés promenade for partially pre-pared piano solo

"Afterwalk", composed by Christina Viola Oorebeek,

Sergei Prokofiev (1891-1953) was a Russian composer and pianist. He is counted among the great Russian composers of the 20th century.

The following works have been added:

• Four Etudes op. 2 (1909) added to level 15.
• Four Pieces op. 3 (1911) added to level 11.
• Four Pieces op. 4 (1910-12) added to level 14.
• Ten

Philip Glass (b. Baltimore, January 31,1937) is an American composer. His compositions generally fall under the genre minimal music.

The following works have been added, or further subdivided:

• Metamorphosis, Nos. 1 and 5, subdivided into level 4.
• Metamorphosis, No. 3, subdivided into level 5.
• Metamorphosis, Nos. 2 en 4, subdivided into level 6.
• Wichita

On December 11, 2015, I added the following books:

• A. Pärt - Für Anna Maria (level 6).
• A. Pärt - Ukuaru valss (level 6).
• A. Pärt - Partita op. 2 (level 11).
• D. Scarlatt - Ausgewählte Klaviersonaten Band IV, (‘The best of Scarlatti’). This book contains the most famous sonatas, including K33, K87, K118, K162,