+4db... is an a cappella vocal jazz quintet. This Bay Area group formed in August of 1996 and is the 1998 Bay Area Harmony Sweepstakes Regional Champion. They also won Audience Favorite and Best Arrangement awards in both 1997 and 1998. They have performed at the Freight and Salvage, and have opened for many groups such a s M-Pact!, the House Jacks, and Boyz Nite Out. They have been featured at major a cappella events such as "Hot August Harmony" in Santa Rosa and the West Coast A Cappella Summit in San Rafael. They have performed in the National Anthem at 3Com Park for the San Francisco Giants, and appeared on cable's "The Bruce Latimer Show."