diff --git a/aria/sample.py b/aria/sample.py
index f39217b..397255c 100644
--- a/aria/sample.py
+++ b/aria/sample.py
@@ -9,6 +9,7 @@
 
 from aria.inference import TransformerLM
 from aria.tokenizer import Tokenizer
+from aria.data.midi import MidiDict
 
 torch._inductor.config.coordinate_descent_tuning = True
 torch._inductor.config.triton.unique_kernel_names = True
@@ -193,8 +194,8 @@ def sample_top_p(probs, p):
 
 # TODO: Clean up a bit and get rid of footguns
 def get_inst_prompt(
-    tokenizer,
-    midi_dict,
+    tokenizer: Tokenizer,
+    midi_dict: MidiDict,
     truncate_len: int,
     noise: bool,
 ):
@@ -217,12 +218,15 @@ def get_inst_prompt(
         print("No notes found in prompt region")
         prompt_seq = prompt_seq[: prompt_seq.index(tokenizer.bos_tok) + 1]
 
+    if tokenizer.dim_tok in prompt_seq:
+        prompt_seq.remove(tokenizer.dim_tok)
+
     return prompt_seq
 
 
 def get_pt_prompt(
-    tokenizer,
-    midi_dict,
+    tokenizer: Tokenizer,
+    midi_dict: MidiDict,
     truncate_len: int,
 ):
     prompt_seq = tokenizer.tokenize(midi_dict=midi_dict)
@@ -231,4 +235,7 @@ def get_pt_prompt(
         trunc_time_ms=truncate_len * 1e3,
     )
 
+    if tokenizer.dim_tok in prompt_seq:
+        prompt_seq.remove(tokenizer.dim_tok)
+
     return prompt_seq
diff --git a/config/config.json b/config/config.json
index 2d01e70..f94d753 100644
--- a/config/config.json
+++ b/config/config.json
@@ -2,33 +2,33 @@
     "data": {
         "tests": {
             "max_programs":{
-                "run": true,
+                "run": false,
                 "args": {
                     "max": 12
                 }
             },
             "max_instruments":{
-                "run": true,
+                "run": false,
                 "args": {
                     "max": 7
                 }
             },
             "total_note_frequency":{
-                "run": true,
+                "run": false,
                 "args": {
                     "min_per_second": 1.5,
                     "max_per_second": 30
                 }
             },
             "note_frequency_per_instrument":{
-                "run": true,
+                "run": false,
                 "args": {
                     "min_per_second": 1.0,
                     "max_per_second": 25
                 }
             },
             "min_length":{
-                "run": true,
+                "run": false,
                 "args": {
                     "min_seconds": 30
                 }
@@ -78,7 +78,7 @@
                     }
                 },
                 "maestro_json": {
-                    "run": false,
+                    "run": true,
                     "args": {
                         "composer_names": ["bach", "beethoven", "mozart", "chopin", "rachmaninoff", "liszt", "debussy", "schubert", "brahms", "ravel", "satie", "scarlatti"],
                         "form_names": ["sonata", "prelude", "nocturne", "étude", "waltz", "mazurka", "impromptu", "fugue"]
@@ -91,7 +91,7 @@
                     }
                 },
                 "abs_path": {
-                    "run": false,
+                    "run": true,
                     "args": {}
                 }
             },
@@ -226,7 +226,7 @@
             },
             "drum_velocity": 60,
             "velocity_quantization": {
-                "step": 15
+                "step": 10
             },
             "abs_time_step_ms": 5000,
             "max_dur_ms": 5000,