Add audiocraft examples (#458)

* add: musicgen example

* update: musicgen notebook with basic spectrogram logging

* add: audiocraft spectrogram visualization enhancements (#459)

* add: dynamic range and better cmap

* add: frequency axis scaling based on mean spectrum threshold

* chore: changed string quotes to "

* update: MusicGen notebook with audio conditioning

* update: musicgen notebook

* update: musicgen notebook

* add: screenshot

* add: telemetry

* add: audiogen support

* update: audiocraft example to support multiband diffusion

* update: colab

* update: colab

* update: colab

---------

Co-authored-by: Atanu Sarkar <34891206+mratanusarkar@users.noreply.github.com>

colabs/README.md

@@ -25,6 +25,8 @@
 | 🧨 Dreambooth-Keras Inference | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](http://wandb.me/db-keras-inference) |
 | Kaolin-Wisp | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](http://wandb.me/vqad-colab) |
 | Super Gradients | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](http://wandb.me/yolo-nas-colab) |
+| 🎸 Generating music with AudioCraft | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/wandb/examples/blob/master/colabs/audiocraft/AudioCraft.ipynb) |
+
 
 # 🏋🏽‍♂️ W&B Features