Aspen Song Value BlendAspen Song Value Blend Attracts Juncos, Doves, Sparrows & More Ideal for Ground Feeding Birds Low Cost Mix Whats the Right Bird Food To Use? Aspen Song Value Blend is a good general purpose mixture of seeds that will attract a variety of songbirds to your yard. Who Will Show Up at the Feeder? It also makes an excellent mix for attracting ground feeding birds like Dark eyed Junco, Mourning Dove, American Tree Sparrow, Eastern Towhee, Chipping Sparrow,