[LAU] changing program in fluidsynth

I've been fiddling around with the command line version of fluidsynth and I can't, for the life of me, figure out how to change the program. I have the PC fonts ID Name 1 PC51f.sf2 chan 0, sfont 1, bank 0, preset 1, Bright Piano chan 1, sfont 1, bank 0, preset 5, Epiano 2 chan 2, sfont 1, bank 0, preset 2, Electric Grand chan 3, sfont 1, bank 0, preset 3, Honky Tonk Piano chan 4, sfont 1, bank 0, preset 2, Electric Grand chan 5, sfont 1, bank 0, preset 1, Bright Piano chan 6, sfont 1, bank 0, preset 6, Ger. Harpsichord chan 7, sfont 1, bank 0, preset 7, Clavinet chan 8, sfont 1, bank 0, preset 8, Celesta chan 9, sfont 1, bank 128, preset 0, Standard chan 10, sfont 1, bank 0, preset 10, Music Box chan 11, sfont 1, bank 0, preset 11, Vibraphone chan 12, sfont 1, bank 0, preset 12, Marimba chan 13, sfont 1, bank 0, preset 13, Xylophone chan 14, sfont 1, bank 0, preset 14, Tubular Bell chan 15, sfont 1, bank 0, preset 15, Dulcimer-Hammered yet I can't find any combination of the command 'prog' that changes to a different soundfont other than 'bright piano'. Sucks, because there is a really good rhodes in here.. (which is also weird because it isn't in the list above. Using fluidsynth-dssi, the rhodes patch shows up in program 4). thanks if you can help, rich