You can jump to a separate table for each region of the state: Olympic Peninsula & West Coast, San Juan Islands & Puget Sound, Cascade Mountains and Eastern Washington.
1 Taylor Swift held (until this weekend) the fastest selling concert performance at Madison Square Garden for a record of 60 seconds in 2009 (source)  The Who sold out four performances at the venue in 1978 in a matter of hours per one radio broadcast announcement (source)
Look for the ticket release dates. When you hear about a concert you're interested in, check ticket availability. Many popular concerts may sell out before you get a chance to buy your tickets. Don't assume it is sold out until you are told so by the venue. Talk to people with similar music interests as you.