The Des Moines Symphony's 75th anniversary fundraising campaign has raised $9 million from from more than 300 donors, exceeding its $7.5 million goal by more than $1.5 million, according to a news release. Nearly $5.8 million has been pledged from 11 individuals donors and family foundations who gave $100,000 or more, including at least $1 million from Linda and Tom Koehn, the Gabus Family Foundation and Dr. Stephen C. Smith. Corporations and foundations gave nearly $1.8 million.