Although there is a good build in koji http://koji.fedoraproject.org/koji/buildinfo?buildID=217000, there isn't any aalib package for EL6 anywhere. Maybe you forgot to push it to bodhi?
That build is expired now, but please do build and push a version for EL6. The package builds fine in mock locally.
aalib-1.4.0-0.18.rc5.el6.1 has been submitted as an update for Fedora EPEL 6.
aalib-1.4.0-0.18.rc5.el6.1 has been pushed to the Fedora EPEL 6 testing repository.
aalib-1.4.0-0.18.rc5.el6.1 has been pushed to the Fedora EPEL 6 stable repository.