where to stay ; fred and marjorie and other veterans of many summers at the music festival share the costs of renting a house or condominium in aspen or nearby snowmass , then invest in season passes -lrb- $ 395 for the nine-week season -rrb- that offer a discount on each event , from concerts to rehearsals to master classes . ; vail valley , which includes vail and beaver creek resorts , has 25,000 beds , the least expensive of which runs about $ 49 a night in summer .