Blump. Blump-blump. Bluuump. TubaChristmas is flat out the best thing going at Southgate Mall Center Clock Court tonight. For those looking to toot their horn, rehearsal is at Sentinel High School from 3:30–5:30 PM, while the performance is from 7–8:30 PM. $18 for music/$5 to register. Call Gary at 728-2403 ext. 7041.