Guitar and bass presets for Axe-Fx III and FM3 used in this cover: developdevice.com/products/tonecraft-megabundle-vol-1 developdevice.com/products/megabundle-vol-1-for-fractal-fm3
The VST application can be adapted by programming it from MIDI. I cannot guarantee how natural it will sound, but the realistic feel in drop chords is quite sufficient.