1001 Albums You Must Hear....short and sweet

What are the shortest albums to make it onto the list?

Group Sex by The Circle Jerks (1980) is the quickest to get its rocks off - 15 mins. Next quickest is Mudhoney with Superfuzz Bigmuff (1988) - 21 mins.

There are 37 entries on the list that run for less than 30 mins.