[1] As a cello player, he is a highly sought guest musician for other artists and music groups, often together with his brother Buni Lenski.
[3] In 2008 Simon Lenski composed the soundtrack for the movie Left Bank Linkeroever by Pieter Van Hees.
For this musical piece a special electric twelve string violin was built for him by experimental luthier Yuri Landman.
2018-19 he toured Europe with Selah Sue as member of an acoustic trio formation (guitar / vocal, keyboards & cello).
In 2019 he created, in collaboration with George van Dam a dance performance based on the Goldberg Variations in which George van Dam played the entire Variations and Simon Lenski danced to them.