Many argue that streaming has made local files obsolete. However, consider this:

"Not Like Us" (originally released as a single on May 4, 2024) is a cultural landmark by Kendrick Lamar that goes beyond a standard diss track. It is often listed as "01 Not Like Us.m4a" in digital collections.

The 01 in the filename is also telling. Is this the opening track of a scrapped project? The first song recorded during a pivotal session? Track one, side one of an album that never was.

The "01" prefix indicates it is the first (and only) track on the "Not Like Us" digital single. Cultural Significance & Lyrics