The Medford duo of clarinetist/composer Glenn Dickson and poet Vijaya Sundaram combine their arts for "Dreams & Meditations," a captivating performance of words and sound at the West Medford Community Center. Dickson has had a varied career playing klezmer, jazz, rock, Balkan and ambient music. During much of the COVID-19 pandemic, he performed dozens of "Dreams & Meditations" programs online, offering meditative and cathartic, pensive and emotional music that expanded the warm sounds of the clarinet with live digital processing.…