Specially built wood horn known as holztrompete sounds at Met Opera in Wagner's `Tristan ...

A new Met Opera production of "Tristan und Isolde" uses Wagner's rare wooden horn, the holztrompete, for a key offstage ...

A wooden holztrompete joins the Met’s new ‘Tristan und Isolde’ production

A new Met Opera production of “Tristan und Isolde” uses Wagner’s rare wooden horn, the holztrompete, for a key offstage ...