DESCRIPTION: Ezequiel (Hezi)Jait-guitar Gregory Rivkin-trumpet Takin' a chance on Jobim's "Corcovado". This "whah-whah" mute without a stem ,made by TrumCor mutes-is something else!They call it "Zinger". There is so much a trumpeter can get out of this mute. More than just "highly recommended".