Street artist exhibition “Zim Zum,” Rafael Alvarez’ “The Tuerk House,” Maryland wine history, and soul singer Navasha Daya

Summary: This week (09.14.12 & 09.15.12) on The Signal: Street artists Gaia, MOMO, and Michael Owen join forces for the joint exhibition, “Zim Zum”; Rafael Alvarez on his book, “The Tuerk House”; Maryland wine history with Regina McCarthy; and soul singer Navasha Daya pays tribute to Nina Simone.