One look at the lineup of the musical talent scheduled for this year's Clearwater's Great Hudson River Revival -- "Clearwater Festival" -- will be all it takes for music lovers to pull out their wallets and plop down some cash for tickets. Scheduled for June 17 and 18 on the banks of the Hudson River at Croton Point Park in Croton-on-Hudson, the event is the country's oldest and largest music and environmental festival which brings together major musical acts and Clearwater's own brand of green activism for a unique weekend.