Our second week of free Nightly Met Opera Streams dedicated entirely to the works of Richard Wagner features seven of the composer’s awe-inspiring masterpieces, including classic telecasts of Otto Schenk’s historic staging of the Ring cycle. Access the exhilarating lineup on metopera.org and all Met Opera on Demand apps. And prepare for each stream with a curated selection of supplementary content at metopera.org/WagnerWeek. | The Metropolitan Opera

To tell the story of his vast Ring cycle, Wagner created a rich score that weaves together numerous leitmotifs—small musical segments that represent characters, objects, or emotions. Watch as members of the MET Orchestra Musicians explore some of these fascinating musical building blocks. The complete Ring cycle is on stage through May 11: bit.ly/2TTcEWA | The Metropolitan Opera

An MRI scan on Wednesday, produced by the Freiburg Institute for Musicians’ Medicine, shows opera singer Michael Volle performing a song from the German composer’s opera ‘Tannhäuser’ in real-time. The MRI was produced as a part of ENT (Ear Nose Throat) research project and is part of a study to see what happens inside an opera singer’s mouth when they perform | Guardian Science