It was beginning to feel like Vienna in the late 1780 's , when Lorenzo da Ponte was tossing off librettos for everyone in sight : runaway hits like '' Una Cosa Rara '' for Vicente Martin y Soler and '' Axur '' for Antonio Salieri , as well as that dud '' Le Nozze di Figaro '' for Mozart -LRB- dropped after nine shows -RRB- .