These CDs are incomplete. Please look at all the photos to see which one are missing, again They’re in good condition, but are not complete, has only two in each case. The Sibelius Groovy Music INCOMPLETE Set is a children's early learning software designed for both Windows and Mac operating systems. This CD includes interactive music learning content in English, featuring manual shapes, jungle, and city themes. The Sibelius brand ensures high quality and engaging educational experiences for young users looking to explore music and creativity.