What is a simile for the jungle of mandolin?

It's tricky to create a simile for the "jungle of mandolin" because it's a poetic metaphor, not a literal jungle. However, we can use the idea of a dense, tangled, and vibrant environment to create a simile. Here are a few options:

* The music was like a tangled vine of sound, twisting and turning through the air.

* The mandolin's melody was a lush, green jungle, filled with exotic birdsong.

* The chords of the mandolin were like a dense, interwoven canopy of leaves, creating a rich, verdant atmosphere.

Ultimately, the best simile will depend on the specific context and the tone you are trying to achieve.