User blog comment:Vel!/Music/@comment-160.94.192.198-20140620200925/@comment-25418284-20140626152629

I also heard from my tutor the following: Maurice Ravel said that repeating something twice is interesting, three times still interesting, but four times boring; Cage agreed, but also noted that five times is where it becomes interesting again.

Aeon Magazine has an article about why repetition makes interesting music: