Today’s edition of New Sounds Now, “Harmonica Designs,” will feature Leon Li, a harmonica performer and PhD student working on harmonica acoustics, design, and development with Jiangyin Soundreal Music Instrument Co., Ltd. Li will team up with Tufts Composers to forge a new body of work for newly streamlined instruments. Free and open to the public with no tickets required; also viewable via Tufts Music Live Streaming.