I did the sampling of my instruments and Milesmusic did the mapping and conversion.
Hohner melodica. The melodica is in simplest terms a mouth-blown accordion.
archtop guitar. Created for jazz style acoustic comping, think Freddie Green and the Basie band.
The soundfonts are available both at www.sf2midi.com
and at www.audioshots.com
in the auditorium under soundfonts
I posted a really quick demo of these fonts at my site, if you care to listen before making the decision whether to download the fonts.
the demo is at www.roryhoffman.com/demo.mp3
enjoy