The General Montage Soundfont update contains 127 realistic instruments, 9 GS drumkits in bank 127, and 9 drumkits in the main drumkit bank, with XG compatible drums. Samples are from Bandshed Records Studio, Freesound, NeoGM, Bellatrix Orchestra, Versilian Studios, and more.

Here is a realistic GM SoundFont that I’ve been working on. This SoundFont contains realistic sound samples. Most of them are from No Budget SFZs, Freepats, and Versilian Studios. With 128 instruments, and 8 drum kits, and the mono instruments have been balanced to sound stereo. Although most of the instruments contain stereo samples. The next update will contain an SFX kit, all instruments will have dynamic velocity layers, and some instrument sounds will be changed. This...

this is my first experiment sampling the ensemble strings, the staccato section and layering some things maded by Yingchun soul, the idea is to have a alternative for Papelmedia Strings 1 preset,maybe this is what are you looking for in the public domain way, this is thinked forgrabbing this and incorporing to your general midi soundfont without worries and even more, without using much space in your soundfont for adding more instruments so check this out, sounds differen...