Amarok/GettingStarted/Download/Arch
Since April 18th of 2009 the Amarok v2 has been the official release on the extra repository of Arch Linux. To install it you only need to type pacman -S amarok on a terminal as a super user (aka root).
If you want to compile the latest version of Amarok on your Arch Linux, try the amarok-git PKGBUILD found on AUR repository.
The Amarok v1.4 is not being supported anymore on the official mirrors.