-- Brett Rosenberg, former guitar-slinger for local band The Rudds, moved to Nashville last year; but Brett must be hankering to do a Boston show in June because he's put himself on the auction block. What started out as $50 for a 45 minute set has mysteriously ballooned to $199.99, but he'll still play anywhere in a 50-mile radius --a perfect gift for Father's Day or your sister's bat mitzvah. You have until tonight......