Soul diva Aretha Franklin, country singer Wynonna Judd and rhythm and blues singer Aaron Neville have been enlisted in the latest bid to encourage consumption of milk. The trio literally sing the praises of "the white stuff" in the latest radio adverts developed as part of the Got milk?/Milk Moustache campaign on behalf of two US dairy groups; Dairy Management Inc, which represents dairy farmers, and the Milk Processor Education Program, which consists of milk processors.