Update README description

README.md

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-# Hands-On Music Generation with Magenta Book
+# Hands-On Music Generation with Magenta: Explore the role of deep learning in music generation and assisted music composition
 
-The "Hands-On Music Generation with Magenta" book code repository
-and info resource.
+Design and use machine learning models for music generation using Magenta and make them interact with existing music creation tools.
+
+## Links
+
+- **[Packt Publishing](https://www.packtpub.com/eu/data/hands-on-music-generation-with-magenta)** - Buy the book in ebook format or paperback
+- [Code in Action](https://www.youtube.com/playlist?list=PLWPX7CYPrFFqvJW-vPU0puAo8vqyzq0A6) - Videos that shows the code examples being executed and the resulting generation.
 
 ## Table of Contents
 
@@ -14,3 +18,4 @@ and info resource.
 7. Training an existing model on a specific style ([source](Chapter07))
 8. Magenta in the browser with Magenta.js ([source](Chapter08))
 9. Making Magenta interact with music applications ([source](Chapter09))
+