Over 2 consecutive weekends this month (April 14 and 21) Mantra Percussion performs my percussion sextet, Timber, in six incredible, unexpected resonant spaces across New York City: Castle Clinton (Manhattan), Federal Hall (Manhattan), DUMBO Archway (Brooklyn), Queens Boulevard 7-Train Viaduct (Queens), Endale Archway in Prospect Park (Brooklyn), Prison Ship Martyrs’ Monument in Fort Greene Park (Brooklyn)…