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)
Rolling Stones, AC/DC and Justin Timberlake were some of the artists that supported by performing. 7. Simon & Garfunkel [500,000] held their second reunion concert in Central Park in 1981. It was a free concert that was televised by HBO. 6. Isle of Wight Festival [600,000] was the biggest concert ever held in UK. The Who, The Doors and Leonard Cohen were some of the performing artists, and Jimi Hendrix had unfortunately his last performance on this event. All the tickets were sold out the first day.