she led her own quartet to contributions on the jeroen van vliet (winners of the 2014 boy-edgar-preis), etienne nillesen and cord heineking. with her quartet she has released two albums and performed on international stages, such as the north sea jazz festival, the bohemia jazz festival (czechia), the catania jazz festival (italy), the madrid international jazz festival (spain), the oct loft festival (china), the hong kong jazz festival and the jarasum jazzfestival (south korea). simin was also invited several times from un women committee to represent germany for international events and in june 2015 interpreted the un women-song "one woman" during the 20'th beijing conference.