fix some description

LICENSE

@@ -1,6 +1,6 @@
 Tencent is pleased to support the open source community by making SongGeneration available.
 
-Copyright (C) 2025 THL A29 Limited, a Tencent company.  All rights reserved. 
+Copyright (C) 2025 Tencent.  All rights reserved. 
 
 SongGeneration is licensed under the License Terms of SongGeneration except for the third-party components listed below, which is licensed under different terms.  SongGeneration does not impose any additional limitations beyond what is outlined in the respective licenses of these third-party components. Users must comply with all terms and conditions of original licenses of these third-party components and must ensure that the usage of the third party components adheres to all relevant laws and regulations. 
 

README.md

@@ -26,4 +26,4 @@ Since the model is trained based on data longer than 1 minute, if the given lyri
 
 ## License
 
-The code and weights in this repository is released under the MIT license as found in the [LICENSE](LICENSE) file.
+The code and weights in this repository is released in the [LICENSE](LICENSE)  file.

app.py

@@ -61,6 +61,7 @@ def generate_song(lyric, description=None, prompt_audio=None, genre=None, cfg_co
     global STRUCTS
     params = {'cfg_coef':cfg_coef, 'temperature':temperature, 'top_k':top_k}
     params = {k:v for k,v in params.items() if v is not None}
+    vocal_structs = ['[verse]', '[chorus]', '[bridge]']
     sample_rate = MODEL.cfg.sample_rate
     
     # format lyric
@@ -69,12 +70,14 @@ def generate_song(lyric, description=None, prompt_audio=None, genre=None, cfg_co
     if len(paragraphs) < 1:
         return None, json.dumps("Lyrics can not be left blank")
     paragraphs_norm = []
+    vocal_flag = False
     for para in paragraphs:
         lines = para.splitlines()
         struct_tag = lines[0].strip().lower()
         if struct_tag not in STRUCTS:
             return None, json.dumps(f"Segments should start with a structure tag in {STRUCTS}")
-        if struct_tag in ['[verse]', '[chorus]', '[bridge]']:
+        if struct_tag in vocal_structs:
+            vocal_flag = True
             if len(lines) < 2 or not [line.strip() for line in lines[1:] if line.strip()]:
                 return None, json.dumps("The following segments require lyrics: [verse], [chorus], [bridge]")
             else:
@@ -88,6 +91,8 @@ def generate_song(lyric, description=None, prompt_audio=None, genre=None, cfg_co
             else:
                 new_para_str = struct_tag
         paragraphs_norm.append(new_para_str)
+    if not vocal_flag:
+        return None, json.dumps(f"The lyric must contain at least one of the following structures: {vocal_structs}")
     lyric_norm = " ; ".join(paragraphs_norm)
 
     # format prompt 

download.py

@@ -2,12 +2,12 @@ from huggingface_hub import snapshot_download
 import os
 
 def download_model(local_dir):
-    repo_id = "waytan22/SongGeneration-LeVo"
+    repo_id = "tencent/SongGeneration"
 
     downloaded_path = snapshot_download(
         repo_id=repo_id,
         local_dir=local_dir,
-        revision="6a0dd87",
+        revision="de30f7b",
         token=os.environ.get("HF_TOKEN"), 
         ignore_patterns=['.git*']
     )