Facebook by soprano Lisette Oropesa and reposted by mezzo-soprano Isabel Leonard, and the union released more complete terms to The Associated Press on Wednesday.The deal allows contracts of fees under $6,000 per performance to be cut 6%, with reductions increasing to 8% for $6,000 to $9,999, 9% for $10,000 to $11,999, 9.5% from $12,000 to $13,999 and the top reduction for above $13,999.