diff --git a/fluidsynth/src/synth/fluid_synth.c b/fluidsynth/src/synth/fluid_synth.c
index 5af8236..6ac6667 100644
--- a/fluidsynth/src/synth/fluid_synth.c
+++ b/fluidsynth/src/synth/fluid_synth.c
@@ -139,6 +139,7 @@ fluid_mod_t default_expr_mod;           /* SF2.01 section 8.4.7  */
 fluid_mod_t default_reverb_mod;         /* SF2.01 section 8.4.8  */
 fluid_mod_t default_chorus_mod;         /* SF2.01 section 8.4.9  */
 fluid_mod_t default_pitch_bend_mod;     /* SF2.01 section 8.4.10 */
+fluid_mod_t additional_pat2att_mod;       /* Addition non-standard mod for poly pressure to initial attenuation*/
 
 /* reverb presets */
 static fluid_revmodel_presets_t revmodel_preset[] = {
@@ -437,6 +438,18 @@ fluid_synth_init(void)
 		       );
   fluid_mod_set_dest(&default_pitch_bend_mod, GEN_PITCH);                 /* Destination: Initial pitch */
   fluid_mod_set_amount(&default_pitch_bend_mod, 12700.0);                 /* Amount: 12700 cents */
+
+
+  /* Additional non-standard Key Pressure to Initial Attenuation */
+  fluid_mod_set_source1(&additional_pat2att_mod, FLUID_MOD_KEYPRESSURE,
+		       FLUID_MOD_GC
+		       | FLUID_MOD_CONCAVE
+		       | FLUID_MOD_UNIPOLAR
+		       | FLUID_MOD_POSITIVE
+		       );
+  fluid_mod_set_source2(&additional_pat2att_mod, 0,0);
+  fluid_mod_set_dest(&additional_pat2att_mod, GEN_ATTENUATION);
+  fluid_mod_set_amount(&additional_pat2att_mod, 960.0);
 }
 
 static FLUID_INLINE unsigned int fluid_synth_get_ticks(fluid_synth_t* synth)
@@ -3065,6 +3078,8 @@ fluid_synth_alloc_voice(fluid_synth_t* synth, fluid_sample_t* sample, int chan,
   fluid_voice_add_mod(voice, &default_chorus_mod, FLUID_VOICE_DEFAULT);     /* SF2.01 $8.4.9  */
   fluid_voice_add_mod(voice, &default_pitch_bend_mod, FLUID_VOICE_DEFAULT); /* SF2.01 $8.4.10 */
 
+  fluid_voice_add_mod(voice, &optional_pat2att_mod, FLUID_VOICE_DEFAULT);
+
   FLUID_API_RETURN(voice);
 }