THE GREENCARDS A devoted fan following helped inspire and finance a new album, brick by brick Being a bluegrass band in Australia isn’t exactly a lucrative profession. Ask the Greencards’ mandolin player Kym Warner how they dealt with that dilemma, and he offers an obvious answer. “Well, we’re here, aren’t we?” In this case, “here” is Nashville, where Warner and Greencards co-founder, singer and bassist Carol Young, have chosen to...