* "Onegin" is not related to opera of the same name but is some piano works orchestrated for orchestra: https://en.wikipedia.org/wiki/Eugene_Onegin (ballet)
* "Theme and Variations" is last movement from Suite No. 3 for orchestra: https://en.wikipedia.org/wiki/Theme_and_Variations_%28ballet%29
* "Ballet Imperial" is an alias for Piano Concerto no. 2: https://en.wikipedia.org/wiki/Tschaikovsky_Piano_Concerto_No._2_%28ballet%29
* "Diamonds" is an alias for Symphony no. 3 (parts 2-5): https://en.wikipedia.org/wiki/Jewels_%28ballet%29