Really wouldn't consider either band to be Metal (at least, not anymore), but Within Temptation and Delain both have songs by that name.
Viens Mallika
O Mio Babbino caro" from Gianni Schicchi, by Puccini.
Not sure if this is what you're looking for, but an operatic solo is referred to as an aria.
Frozen - song - was created on 1998-02-23.
Frozen - Delain song - was created on 2007-01-08.
Ice is a non-metal. It is frozen water.
An aria is an extended operatic solo.
A song from an Opera is known as an Aria - whether it is long or short, however, you can also have an arietta, which is a "little aria" which might also be what you are referring to.
It depends which language the phrase is in. An aria is usually an operatic song. Nos da means goodnight in Welsh. In Portuguese the phrase means 'in the song'.
Eaton Operatic Society ended in 1965.
Purcell Operatic Society ended in 1902.
Purcell Operatic Society was created in 1899.