diff --git a/vall_e/data.py b/vall_e/data.py
index 468c378..0b2ab4a 100755
--- a/vall_e/data.py
+++ b/vall_e/data.py
@@ -106,6 +106,8 @@ def fold_inputs(
 		if quant_levels is not None:
 			# grab the previous rvq level
 			quant_level = quant_levels[i] - 1
+			# way to signal we want to inference for rvq level 0
+			# without it, it's a random chance for any level to be selected again
 			if quant_level < 0:
 				seq = sep
 			else:
diff --git a/vall_e/models/experimental.py b/vall_e/models/experimental.py
index cedf3cc..e712184 100644
--- a/vall_e/models/experimental.py
+++ b/vall_e/models/experimental.py
@@ -370,13 +370,11 @@ def example_usage():
 		else:
 			resp_list = [ [] for _ in range(len(text_list)) ]
 			for l in range(cfg.model.max_levels):
-				quant_levels = [ l ]
+				quant_levels = [ [ l ] for _ in range(len(text_list)) ]
 
 				input_ids, attention_mask = fold_inputs(text_list=text_list, prom_list=prom_list, resp_list=resp_list, quant_levels=quant_levels, experimental=True)
 				min_length = len(input_ids[0]) + 1 
 
-				# print( "input:", l, input_ids.shape, input_ids )
-
 				output = model.generate(
 					input_ids=input_ids,
 					attention_mask=attention_mask,
@@ -385,8 +383,6 @@ def example_usage():
 					eos_token_id=3,
 					do_sample=False
 				)
-
-				# print( "output:", l, output.shape, output )
 				
 				unfolded = unfold_outputs( output, quant_levels=quant_levels )
 
@@ -395,7 +391,6 @@ def example_usage():
 
 				for batch, resp in enumerate(unfolded["resp_list"]):
 					length = resp.shape[-1]
-					print( "LEN:", resp.shape, steps )
 
 					# store length
 					if l == 0:
@@ -433,7 +428,7 @@ def example_usage():
 			target_ids, target_attention_mask = fold_inputs(text_list=text_list, prom_list=prom_list, resp_list=resp_list, targ_list=resp_list, ignore_index=-100, quant_levels=quant_levels)
 			
 			stats |= engine.traverse(input_ids=input_ids, labels=target_ids, attention_mask=attention_mask)
-			stats |= {"grad_norm": engine.get_global_grad_norm(), "quant_level": quant_levels[0].item()}
+			stats |= {"grad_norm": engine.get_global_grad_norm()}
 
 			tqdm.write(f"{stats}")
 
diff --git a/vall_e/train.py b/vall_e/train.py
index d03d87d..0087933 100755
--- a/vall_e/train.py
+++ b/vall_e/train.py
@@ -27,20 +27,32 @@ mel_stft_loss = auraloss.freq.MelSTFTLoss(cfg.sample_rate, device="cpu")
 def train_feeder(engine, batch):
 	with torch.autocast("cuda", dtype=cfg.trainer.dtype, enabled=cfg.trainer.amp):
 		if engine.hyper_config.experimental:
+			batch_size = len(batch["text"])
+			if cfg.model.interleave:
+				quant_levels = None	
+				resps_list = [ resp for resp in resp_list ]
+			else:
+				quant_levels = torch.randint(0, cfg.model.max_levels, (batch_size,))
+				resps_list = [ [] if l == 0 else resp for l, resp in zip(quant_levels, resp_list) ]
+
 			input_ids, attention_mask = fold_inputs(
 				text_list=batch["text"],
 				prom_list=batch["proms"],
-				resp_list=batch["resps"],
+				resp_list=resps_list,
+				targ_list=batch["resps"],
+				quant_levels=quant_levels,
 			)
 			target_ids, target_attention_mask = fold_inputs(
 				text_list=batch["text"],
 				prom_list=batch["proms"],
-				resp_list=batch["resps"],
+				resp_list=resps_list,
+				targ_list=batch["resps"],
+				quant_levels=quant_levels,
 				ignore_index=-100
 			)
 			engine(
 				input_ids=input_ids,
-				labels=target_ids
+				labels=target_ids,
 			)
 		else:
 			engine(
@@ -107,12 +119,54 @@ def run_eval(engines, eval_name, dl):
 			engine = engines[name]
 
 			if engine.hyper_config.experimental:
-				input_ids, attention_mask = fold_inputs(
-					text_list=batch["text"],
-					prom_list=batch["proms"],
-				)
-				output = engine.module.generate(input_ids=input_ids, attention_mask=attention_mask, max_length=cfg.evaluation.steps, eos_token_id=3, do_sample=False)
-				resps_list = unfold_outputs( output )["resp_list"]
+				if cfg.model.interleave:
+					input_ids, attention_mask = fold_inputs(
+						text_list=batch["text"],
+						prom_list=batch["proms"],
+					)
+					output = engine.module.generate(input_ids=input_ids, attention_mask=attention_mask, max_length=cfg.evaluation.steps, eos_token_id=3, do_sample=False)
+					resps_list = unfold_outputs( output )["resp_list"]
+				else:
+					steps = cfg.evaluation.steps
+					resps_list = [ [] for _ in range(len(text_list)) ]
+					for l in range(cfg.model.max_levels):
+						quant_levels = [ [ l ] for _ in range(len(text_list)) ]
+
+						input_ids, attention_mask = fold_inputs(text_list=batch["text"], prom_list=batch["proms"], resp_list=resps_list, quant_levels=quant_levels, experimental=True)
+						min_length = 1 
+						for batch in input_ids:
+							min_length = max( min_length, batch.shape[0] )
+
+						output = model.generate(
+							input_ids=input_ids,
+							attention_mask=attention_mask,
+							min_length=min_length,
+							max_length=min_length+steps*(2 if l > 0 else 1),
+							eos_token_id=3,
+							do_sample=False
+						)
+						
+						unfolded = unfold_outputs( output, quant_levels=quant_levels )
+
+						if l == 0:
+							steps = 0
+
+						for batch, resp in enumerate(unfolded["resp_list"]):
+							length = resp.shape[-1]
+
+							# store length
+							if l == 0:
+								steps = max( steps, length )
+							# pad
+							else:
+								resp = resp[:steps]
+								if length < steps:
+									resp = torch.cat([ resp, torch.Tensor([ 0 for _ in range(steps-length) ]).to(resp) ])
+
+							resps_list[batch].append( resp )
+
+					for i, resp in enumerate( resps_list ):
+						resps_list[i] = torch.stack( resp ).t()
 			else:
 				resps_list = engine(text_list=batch["text"], proms_list=batch["proms"], lang_list=batch["lang"], max_steps=cfg.evaluation.steps, sampling_temperature=cfg.evaluation.ar_temperature)
 				resps_list = [ r.unsqueeze(-1) for r in resps_list ]