These short listening examples were chosen for elementary students and can be played straight from your classroom computer. 

Largo al factotum from The Barber of Seville, Gioachino Rossini, performed by Tom and Jerry
A 1960s cartoon take on the famous aria, full of the usual Tom and Jerry antics. Teachers should preview this one before showing it.

The Magic Flute (Die Zauberflöte), Wolfgang Amadeus Mozart
Papageno and Papagena duet. The two birdcatchers find each other at last and stammer out each other’s names before imagining the family they will raise together.

Kids Meet an Opera Singer, HiHo Kids
Soprano Angel Blue sits down with a group of children who ask her whatever they want, from whether she is a princess to when she knew she wanted to sing.