Listen to Verdi: Ernani, Act I - Come rugiada al cespite online. Verdi: Ernani, Act I - Come rugiada al cespite is an Italian language song and is sung by Roberto Alagna, Berliner Philharmoniker and Claudio Abbado. Verdi: Ernani, Act I - Come rugiada al cespite, from the album Les 100 Plus Beaux Airs de Roberto Alagna, was released in the year 2013. The duration of the song is 2:31. Download Italian songs online from JioSaavn.