ftp.nice.ch/pub/next/audio/apps/MusicBuilder.1.2.2.NIHS.b.tar.gz#/MusicBuilder.1.2.2/_MLPluck/MLPluck/bin/MLPluck.app

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.