http://www.tweakbench.com/
tapeworm is a mellotron-like synthesizer based on remastered versions of j.p. hovercraft's original mellotron multisamples. tapeworm includes five voice types, tuning, attack, release, and midi automation. And NOW by popular demand, anyone who makes a donation and downloads the bundle will get the samples used internally in tapeworm, peach, and toad as soundfont sf2 files. perfect for loading up into your sample player of choice. sweet!