Donna Summer was a close friend of Jenny since they had met during the „Night of the Proms“ concerts in Antwerp, Belgium in 2005. Jenny and Donna have done some writing sessions together with their resp. husbands and one of the results was on Donna’s album "Crayons" which was released in 2008.
The song is called „Slide over backwards“, written by Donna Summer, Nathan DiGesare and Jakob Petrén. Jenny is singing the backing vocals. Donna Summer died 2012 because of cancer.