The band Ranky Tanky of Charleston, S.C, performs a concert Monday for students at the Johnson STEAM Academy in Cedar Rapids. The performance officially launched the 10th annual Landfall Festival of World Music hosted by Legion Arts. Ranky Tanky is set to perform several more times this week. Music festival starts with performance at CR. school CEDAR RAPIDS ? Harmonies with a mix of Caribbean and African-American influence filled the cafe Monday at the Johnson STEAM Academy Magnet School in Cedar Rapids as the Legion Arts/CSPS Landfall Festival of World Music got underway. Starting it off was a performance by Ranky Tanky of Charleston, S.C.