PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hmm. other foam used in mutes is usually soft/slightly firm with dense cells. as cheap as this stuff is you could get several types and experiment. back in the early 1970s I redid my H & B bucket mute and used an AC filter foam to keep the cotton filler in.
http://www.w3.org/ns/prov#wasQuotedFrom
  • trumpetmaster.com