for some loud music at the weekend:

finale of the competition between new rock bands: http://www.rock-highway.ch/ Saturday at 20:30 at Alte Kaserne...

25 CHF entrance (tickets from starticket.ch), includes a compilation CD from the bands. There will be 9 groups playing through the night.
Audience votes for the winner...

('The Birthday Girls' group is a friend, and I personally enjoy their music. I am sure they'll appreciate if you vote for them. They will have an after-party which usually goes towards the first lights of day, and I think 2 drinks free for the fans.)