Amazon.de has audio clips of "A Hard Day's Night" by The Beatles on the albums listed below. To listen to a clip, click on any album name and you will be taken to a CD product web page with a list of album tracks linked to song clips.
A Hard Day's Night (Yeah, yeah, yeah) - Beatles - Odeon (EMI Electrola)
One (Remastered) - Beatles - Apple (Bea (EMI Electrola))
The Beatles 1962-1966 - Beatles - Parlophone (EMI Electrola) (2 CDs)