You are invited to the Dream a Sound Future Final Event at the Seattle Center Pavilion B, 2nd and Thomas St. on October 10 from 1-5 p.m.   There are more than 20 entries in various mediums from art to performance to writing and break dancing: a pretty eclectic collection of work surrounding sustainability. Councilmember Mike O’Brien will be the guest speaker, and Vance Feldman will present his ForeverScape as the featured artist.