Napster, the internet music provider, did not show this commercial in US. The tag line “30-second previews. Don’t you just hate them?” (this clip has a different message: “30-second previews. Leave waiting more?”) was considered as a reference to a rival company.
In UK was available.

30-second previews. Leave waiting more?
At Napster you get the whole thing
1.5 million full-lenght songs
Don`t settle just for 30-seconds.