Oh Black River, Keep On Rollin'  Promotion vet Rick Baumgartner has joined Black River Music Group as VP/Promotion. Previous stops include Dolly Parton Management, Warner Bros., Atlantic, BBR, Equity and Decca. He will report to Black River GM Jimmy Nichols and can be reached at 615-320-8230 or here. Former Category 5 staffer Joe Carroll has been tapped as Dir./Promotions for the label. He will be based in Cleveland and can be reached at 615-320-8742 or here.