diff --git a/sound/sound_banks/30_extended.json b/sound/sound_banks/30_extended.json
index 06aabc50..0ac6ff46 100644
--- a/sound/sound_banks/30_extended.json
+++ b/sound/sound_banks/30_extended.json
@@ -1343,72 +1343,6 @@
             "envelope": "envelope6",
             "sound": "21_sine_bass"
         },
-        "percussion": [
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.210224}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.2227245}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.2359685}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.25}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.264866}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.2806155}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.297302}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.3149805}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.33371}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.3535535}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.374577}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.3968505}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.4204485}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.4454495}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.4719375}},
-            {"release_rate": 10, "pan": 62, "envelope": "envelope16", "sound": {"sample": "06_kick_drum_1", "tuning": 0.5}},
-            {"release_rate": 10, "pan": 57, "envelope": "envelope16", "sound": "07_rimshot"},
-            {"release_rate": 10, "pan": 65, "envelope": "envelope16", "sound": {"sample": "08", "tuning": 1.1905508}},
-            {"release_rate": 10, "pan": 66, "envelope": "envelope16", "sound": {"sample": "08", "tuning": 0.8418465}},
-            {"release_rate": 10, "pan": 66, "envelope": "envelope16", "sound": {"sample": "08", "tuning": 0.8919052}},
-            {"release_rate": 10, "pan": 6, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 0.471937}},
-            {"release_rate": 10, "pan": 6, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 0.5}},
-            {"release_rate": 10, "pan": 27, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 0.66742}},
-            {"release_rate": 10, "pan": 27, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 0.707107}},
-            {"release_rate": 10, "pan": 45, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 0.793701}},
-            {"release_rate": 10, "pan": 45, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 0.840897}},
-            {"release_rate": 10, "pan": 53, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 1.0}},
-            {"release_rate": 10, "pan": 53, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 1.059463}},
-            {"release_rate": 10, "pan": 83, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 1.189207}},
-            {"release_rate": 10, "pan": 83, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 1.259921}},
-            {"release_rate": 10, "pan": 83, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 1.33484}},
-            {"release_rate": 10, "pan": 83, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 1.414214}},
-            {"release_rate": 10, "pan": 83, "envelope": "envelope16", "sound": {"sample": "09", "tuning": 1.498307}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.189207}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.259921}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.33484}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.414214}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.498307}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.587401}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.681793}},
-            {"release_rate": 10, "pan": 35, "envelope": "envelope16", "sound": {"sample": "0A_tambourine", "tuning": 1.781798}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.5469096}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.5794306}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.61388505}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.65038884}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.6890625}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.7300362}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.77344644}},
-            {"release_rate": 10, "pan": 54, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 0.81943786}},
-            {"release_rate": 10, "pan": 70, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 1.5468929}},
-            {"release_rate": 10, "pan": 70, "envelope": "envelope16", "sound": {"sample": "0B", "tuning": 1.6388757}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 0.793701}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 0.840897}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 0.890899}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 0.943875}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.0}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.059463}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.122462}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.189207}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.259921}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.33484}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.414214}},
-            {"release_rate": 10, "pan": 82, "envelope": "envelope16", "sound": {"sample": "0C_conga_stick", "tuning": 1.498307}},
-            {"release_rate": 10, "pan": 128, "envelope": "envelope16", "sound": "0D_clave"}
-        ],
         "inst17": {
             "release_rate": 10,
             "normal_range_lo": 28,