What is the collective noun for album?

There isn't a widely accepted, specific collective noun for albums.

Here are some options, depending on the context:

Formal:

* Collection of albums

* Set of albums

* Discography (for a particular artist)

Informal:

* Stack of albums

* Pile of albums

* Rack of albums

You can also use a more descriptive phrase like "a treasure trove of albums" or "a library of albums."

Ultimately, the best collective noun depends on the specific situation and what you're trying to convey.